Cerebrovascular AccidentNCT04696302
Focus of Attention in Individuals With Stroke
A study testing Focus of attention in people with Cerebrovascular Accident, run by Western Carolina University at 1 site in United States.
Trial summary
This two phase feasibility study looked at the feasibility of conducting a clinical trial in the outpatient and inpatient rehab setting exploring how individuals post stroke respond to different focus of attention cues. Read more about this study
- Who is it for?
- Ages 18 to 100 yearsHealthy volunteers can take part
- Conditions the study is for
- Cerebrovascular Accident
- What is being tested?
- Focus of attention
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 38 participants
- Where
- 1 siteUnited States
- Study dates
- 23 Mar 2015to 1 May 2019
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 100 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- participants with history of stroke
- ability to sit statically without physical assistance
Who cannot join
- severe hemineglect (star cancellation test <44/54)
- inability to follow multistep commands
- orthopedic issues that limited their ability to weight shift including severe hip or back pain
- individuals with other neurologic conditions such as dementia
- individuals with contraversive pushing.
- During the first arm (phase) of the study there were age matched healthy controls.
Trial locations and contacts
1 site in 1 country.
United States1 site
Western Carolina University
Cullowhee, North Carolina, 28723
About this study
Official title: Focus of Attention Effects on Motor Performance and Learning in Individuals Post Stroke During Seated Lateral Weight Shifting: A Two-phase Feasibility Study
This two phase feasibility study looked at the feasibility of conducting a clinical trial in the outpatient and inpatient rehab setting exploring how individuals post stroke respond to different focus of attention cues. Focus of attention refers to whether individuals in are thinking about how their body is moving, internal focus, or on the effect their body has on the environment, external focus, during motor task. This trial will specifically look at the effect focus of attention has on motor performance and learning in individuals post stroke during lateral seated weight shifting task.
Read the detailed description
This was a two phase feasibility study exploring appropriate management, setting, participants including inclusion and exclusion criteria, attrition rates, protocol, and retention. Outcome data for each stage were collected during baseline, acquisition, short-term, and long-term retention.
There were two primary objectives of this two phase feasibility study. The first was to uncover some potential short comings in research designs used in this area. The second was to explore the feasibility of a study in both the chronic and acute stroke populations in a rural community. Topics of feasibility include recruitment, retention, and specific inclusion and exclusion criteria. Extending the work by Muckel and Merholz, this feasibility study examined performance of individuals post stroke during a seated lateral weight shifting task and incorporated retention trials, quality of movement exploration, and bilateral weight shifting.
During Phase I, individuals in both groups sat unsupported on a hi-lo mat table which was adjusted so participants were sitting at 90 degrees hip and knee flexion with feet shoulder width apart. Tape marks were used to mark initial set up ensuring standardized positioning for each trial. Following baseline trials, all participants watched the same instructional video describing lateral weight shifting. The instructions included correct mechanics that should be used when weight shifting laterally with focus on correct form needed for the movement.
Testing included baseline, acquisition, short term retention (5 minutes later), and long-term retention (7-10 days later). Participants performed three trials of seated weight shifting to each side at all timepoints. During acquisition, the internal focus group was instructed to "shift your weight as much as possible towards your right or left hip without using your arms". The external focus group sat with targets one arm length away at shoulder height and were instructed to "shift your body weight as much as possible towards the blue/orange target without using your arms." During baseline and retention trials, adults were instructed to "lean as far as you can to the right/left without using your arms." During Phase II, the protocol was similar except 6 trials were performed for acquisition to potentially improve motor learning, which was not significant in Phase I per retention data. Other changes to the protocol included allowing participants to move their feet when weight-shifting. Instructions were also revised. The external focus group was told to "move your shoulder as close to the blue/orange target as possible", while the internal focus group was told to "shift your body weight as much as possible towards your right/left hip without using your arms."
- Conditions
- Cerebrovascular Accident
- Being tested
- Focus of attention
- Keywords
- Focus of attention, Motor learning, Seated weight shifting
- Medical subject headings
- Stroke
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Focus of attentionBehavioural
Also called Seated lateral weight shifting
Individuals were asked to laterally weight shift while seated with either internal focus or external focus instructions.
| Study group | Role | What they receive |
|---|---|---|
| Focus of attention in individuals post chronic stroke during seated lateral weight shifting | Experimental | Feasibility study Receives: Behavioral: Focus of attention |
| Focus of attention in individuals post acute stroke during seated lateral weight shifting | Experimental | Feasibility study Receives: Behavioral: Focus of attention |
What is being measured
The primary outcome is the main question the study is designed to answer.
Recruitment
Percentage of participants recruited out of the estimated number needed by power analysis. Power analyses revealed 42 participants were needed for 2X4 mixed model ANOVA 193 analysis, a=.05, power=.8, with a medium effect size, f=.2.
Measured: One year for each arm of the study.
Retention
Percentage of participants that completed all 4 timepoints, baseline, acquisition, short term, and long term retention out of those that completed baseline trials.
Measured: One year for each arm of the study.
Secondary outcomes (16)
Shoulder alignment during baseline to affected side
Only used in arm 2 of the study. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.
A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: baseline (prior to training)
Shoulder alignment during baseline to unaffected side
Only used in arm 2 of the study. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.
A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: baseline (prior to training)
Shoulder alignment during acquisition or training to affected side
Arm 2 only. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.Baseline measurements are taken, then participants are given a 2 minute demonstration of what to do during training. The training or acquisition occurs right afterwards.A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: acquisition (30 minutes) through study completion, average of one year.
Shoulder alignment during acquisition or training to unaffected side
Arm 2 only. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis. Baseline measurements are taken, then participants are given a 2 minute demonstration of what to do during training. The training or acquisition occurs right afterwards. A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: acquisition (30 minutes) through study completion, average of one year.
Shoulder alignment during short term retention to affected side
Only used in arm 2 of the study. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.
A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: short-term (5 minutes after training)
Shoulder alignment during short term retention to unaffected side
Only used in arm 2 of the study. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.
A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: short-term (5 minutes after training)
Shoulder alignment during long term retention to affected side
Only used in arm 2 of the study. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.
A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: long-term (7 days after training)
Shoulder alignment during long term retention to unaffected side
Only used in arm 2 of the study. Angle measuring a line from acromion to acromion compared to a horizontal plumb line. This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. Participants shifted to both sides 6 times to each side during arm 2 of the study. Averages were used for data analysis.
A 9.5" X 7.31" X 0.37" 4th generation iPad†, with a 9.7-inch retina display, was used to record videos of each trial. The iPad has a 1080p HD video and 1.2 MP photo camera with autofocus and a 2.4 aperture with video stabilization. From this footage, shoulder alignment was measured during seated lateral weight shifting using the Body Align Pro app‡, trademarked on Nov. 28, 2014.
Measured: long-term (7 days after training)
Seated lateral excursion during baseline to affected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: baseline (prior to training)
Seated lateral excursion during baseline to unaffected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: baseline (prior to training)
Seated lateral excursion during acquisition or training to affected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study. Baseline measurements are taken, then participants are given a 2 minute demonstration of what to do during training. The training or acquisition occurs right after this demonstration and occurs for 30 minutes.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: acquisition (30 minutes) through study completion, average of one year.
Seated lateral excursion during acquisition or training to unaffected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study. Baseline measurements are taken, then participants are given a 2 minute demonstration of what to do during training. The training or acquisition occurs right after this demonstration and occurs for 30 minutes.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: acquisition (30 minutes) through study completion, average of one year.
Seated lateral excursion during short-term retention to affected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: short-term (5 minutes after training)
Seated lateral excursion during short-term retention to unaffected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: short-term (5 minutes after training)
Seated lateral excursion during long-term retention to affected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: long-term (7 days after training)
Seated lateral excursion during long-term retention to unaffected side
Measure of how far individuals shifted their center of pressure laterally during each weight shift trial (cm). This is a repeated measure over 4 time points. This measurement will occur during each lateral weight shift for all participants. Pt's will shift to either side 3 times during baseline, short term and long term retention. In arm 1 participants shifted to both sides 3 times during the acquisition trials and 6 times to each side during arm 2 of the study.
A 32X32 array BodiTrak* pressure mat with an 18.125 in x 18.125 in sensing area (1,024 sensors) was used to measure lateral excursion of center of pressure during each trial for both phases. The pressure mat has a 200 mmHg calibration range and up to 150 Hz sampling frame rate.
Measured: long-term (7 days after training)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Jan 2021
- Study start23 Mar 2015
- Primary completion1 May 2019
- Study completion1 May 2019
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (25)Papers the sponsor has linked to this study.
- Other trials for Cerebrovascular AccidentStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- Two independent groups measured at 4 timepoints, baseline, acquisition, short-term, and long-term retention.
- Masking
- Double blind
- Who is masked
- Participant, Outcomes assessor
- Enrolment
- 38 participants (actual)
Sponsor and investigators
- Lead sponsor
- Western Carolina University
- Sponsor type
- University, hospital or other
- Collaborators
- Mission Health System, Asheville, NC
- Responsible party
- Principal investigator, Ashley Hyatt, Western Carolina University
- Investigators
- Ashley W Hyatt, DPT, Principal investigator, Western Carolina University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04696302
- Sponsor's protocol ID
- 949671-4
- Status last verified
- Jan 2021
- First submitted
- 16 Dec 2020
- Last updated
- 6 Jan 2021
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Virani SS, Alonso A, Benjamin EJ, Bittencourt MS, Callaway CW, Carson AP, Chamberlain AM, Chang AR, Cheng S, Delling FN, Djousse L, Elkind MSV, Ferguson JF, Fornage M, Khan SS, Kissela BM, Knutson KL, Kwan TW, Lackland DT, Lewis TT, Lichtman JH, Longenecker CT, Loop MS, Lutsey PL, Martin SS, Matsushita K, Moran AE, Mussolino ME, Perak AM, Rosamond WD, Roth GA, Sampson UKA, Satou GM, Schroeder EB, Shah SH, Shay CM, Spartano NL, Stokes A, Tirschwell DL, VanWagner LB, Tsao CW; American Heart Association Council on Epidemiology and Prevention Statistics Committee and Stroke Statistics Subcommittee. Heart Disease and Stroke Statistics-2020 Update: A Report From the American Heart Association. Circulation. 2020 Mar 3;141(9):e139-e596. doi: 10.1161/CIR.0000000000000757. Epub 2020 Jan 29.
PubMed 31992061Wulf G. Attentional focus and motor learning: A review of 15 years. Int Rev Sport Exerc Psychol. 2013;6(1):77-104. doi:10.1080/1750984X.2012.723728
Kal EC, van der Kamp J, Houdijk H. External attentional focus enhances movement automatization: a comprehensive test of the constrained action hypothesis. Hum Mov Sci. 2013 Aug;32(4):527-39. doi: 10.1016/j.humov.2013.04.001. Epub 2013 Jun 30.
PubMed 24054892Kakebeeke T, Knols R, de Bruin E. Should rehabilitation specialists use external focus instructions when motor learning is fostered? A systematic review. Sports. 2013;1(2):37-54. doi:10.3390/sports1020037
Wulf G, McNevin N, Shea CH. The automaticity of complex motor skill learning as a function of attentional focus. Q J Exp Psychol A. 2001 Nov;54(4):1143-54. doi: 10.1080/713756012.
PubMed 11765737Sturmberg C, Marquez J, Heneghan N, Snodgrass S, van Vliet P. Attentional focus of feedback and instructions in the treatment of musculoskeletal dysfunction: a systematic review. Man Ther. 2013 Dec;18(6):458-67. doi: 10.1016/j.math.2013.07.002. Epub 2013 Sep 3.
PubMed 24008053McNevin NH, Wulf G, Carlson C. Effects of attentional focus, self-control, and dyad training on motor learning: implications for physical rehabilitation. Phys Ther. 2000 Apr;80(4):373-85. doi: 10.1093/ptj/80.4.373.
PubMed 10758522Masters RSW. Knowledge, knerves and know-how: The role of explicit versus implicit knowledge in the breakdown of a complex motor skill under pressure. Br J Psychol. 1992;83:343-358.
Kal EC, van der Kamp J, Houdijk H, Groet E, van Bennekom CA, Scherder EJ. Stay Focused! The Effects of Internal and External Focus of Attention on Movement Automaticity in Patients with Stroke. PLoS One. 2015 Aug 28;10(8):e0136917. doi: 10.1371/journal.pone.0136917. eCollection 2015.
PubMed 26317437Kal E, Houdijk H, van der Kamp J, Verhoef M, Prosee R, Groet E, Winters M, van Bennekom C, Scherder E. Are the effects of internal focus instructions different from external focus instructions given during balance training in stroke patients? A double-blind randomized controlled trial. Clin Rehabil. 2019 Feb;33(2):207-221. doi: 10.1177/0269215518795243. Epub 2018 Aug 31.
PubMed 30168348Kim GJ, Hinojosa J, Rao AK, Batavia M, O'Dell MW. Randomized Trial on the Effects of Attentional Focus on Motor Training of the Upper Extremity Using Robotics With Individuals After Chronic Stroke. Arch Phys Med Rehabil. 2017 Oct;98(10):1924-1931. doi: 10.1016/j.apmr.2017.06.005. Epub 2017 Jun 24.
PubMed 28652064Durham KF, Sackley CM, Wright CC, Wing AM, Edwards MG, van Vliet P. Attentional focus of feedback for improving performance of reach-to-grasp after stroke: a randomised crossover study. Physiotherapy. 2014 Jun;100(2):108-15. doi: 10.1016/j.physio.2013.03.004. Epub 2013 Jun 21.
PubMed 23796803Fasoli SE, Trombly CA, Tickle-Degnen L, Verfaellie MH. Effect of instructions on functional reach in persons with and without cerebrovascular accident. Am J Occup Ther. 2002 Jul-Aug;56(4):380-90. doi: 10.5014/ajot.56.4.380.
PubMed 12125827Muckel S, Mehrholz J. Immediate effects of two attention strategies on trunk control on patients after stroke. A randomized controlled pilot trial. Clin Rehabil. 2014 Jul;28(7):632-6. doi: 10.1177/0269215513513963. Epub 2014 Jan 22.
PubMed 24452700Ziv G, Lidor R. Attentional focus and motor learning in clinical settings and in older age: A review. J Mot Learn Dev. 2015;3(2):123-139. doi:10.1123/jmld.2015-0014
Study at a glance
From the registry record, last updated by the sponsor on 6 Jan 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Focus of Attention Effects on Motor Performance and Learning in Individuals Post Stroke During Seated Lateral Weight Shifting: A Two-phase Feasibility Study
- ClinicalTrials.gov ID
- NCT04696302
- Acronym / sponsor ID
- 949671-4
- Conditions
- Cerebrovascular Accident
- Keywords
- Focus of attention, Motor learning, Seated weight shifting
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 38 participants (actual)
- Lead sponsor
- Western Carolina UniversityUniversity, hospital or other
- Collaborators
- Mission Health System, Asheville, NC
- Study start
- 23 Mar 2015 (actual)
- Primary completion
- 1 May 2019 (actual)
- Study completion
- 1 May 2019 (actual)
- First posted
- 6 Jan 2021 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This two phase feasibility study looked at the feasibility of conducting a clinical trial in the outpatient and inpatient rehab setting exploring how individuals post stroke respond to different focus of attention cues. Focus of attention refers to whether individuals in are thinking about how their body is moving, internal focus, or on the effect their body has on the environment, external focus, during motor task. This trial will specifically look at the effect focus of attention has on motor performance and learning in individuals post stroke during lateral seated weight shifting task.
Detailed description
This was a two phase feasibility study exploring appropriate management, setting, participants including inclusion and exclusion criteria, attrition rates, protocol, and retention. Outcome data for each stage were collected during baseline, acquisition, short-term, and long-term retention.
There were two primary objectives of this two phase feasibility study. The first was to uncover some potential short comings in research designs used in this area. The second was to explore the feasibility of a study in both the chronic and acute stroke populations in a rural community. Topics of feasibility include recruitment, retention, and specific inclusion and exclusion criteria. Extending the work by Muckel and Merholz, this feasibility study examined performance of individuals post stroke during a seated lateral weight shifting task and incorporated retention trials, quality of movement exploration, and bilateral weight shifting.
During Phase I, individuals in both groups sat unsupported on a hi-lo mat table which was adjusted so participants were sitting at 90 degrees hip and knee flexion with feet shoulder width apart. Tape marks were used to mark initial set up ensuring standardized positioning for each trial. Following baseline trials, all participants watched the same instructional video describing lateral weight shifting. The instructions included correct mechanics that should be used when weight shifting laterally with focus on correct form needed for the movement.
Testing included baseline, acquisition, short term retention (5 minutes later), and long-term retention (7-10 days later). Participants performed three trials of seated weight shifting to each side at all timepoints. During acquisition, the internal focus group was instructed to "shift your weight as much as possible towards your right or left hip without using your arms". The external focus group sat with targets one arm length away at shoulder height and were instructed to "shift your body weight as much as possible towards the blue/orange target without using your arms." During baseline and retention trials, adults were instructed to "lean as far as you can to the right/left without using your arms." During Phase II, the protocol was similar except 6 trials were performed for acquisition to potentially improve motor learning, which was not significant in Phase I per retention data. Other changes to the protocol included allowing participants to move their feet when weight-shifting. Instructions were also revised. The external focus group was told to "move your shoulder as close to the blue/orange target as possible", while the internal focus group was told to "shift your body weight as much as possible towards your right/left hip without using your arms."
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, outcomes assessor)
- Number of arms
- 2
- Model description
- Two independent groups measured at 4 timepoints, baseline, acquisition, short-term, and long-term retention.
| Arm | Type | Receives |
|---|---|---|
| Focus of attention in individuals post chronic stroke during seated lateral weight shifting | Experimental | Behavioral: Focus of attentionFeasibility study |
| Focus of attention in individuals post acute stroke during seated lateral weight shifting | Experimental | Behavioral: Focus of attentionFeasibility study |
Who may qualify
- Ages
- 18 to 100 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- participants with history of stroke
- ability to sit statically without physical assistance
Key exclusion criteria (6 listed)
- severe hemineglect (star cancellation test <44/54)
- inability to follow multistep commands
- orthopedic issues that limited their ability to weight shift including severe hip or back pain
- individuals with other neurologic conditions such as dementia
- individuals with contraversive pushing.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Focus of attentionAlso: Seated lateral weight shiftingIndividuals were asked to laterally weight shift while seated with either internal focus or external focus instructions. | Behavioural | Focus of attention in individuals post acute stroke during seated lateral weight shifting, Focus of attention in individuals post chronic stroke during seated lateral weight shifting |
Primary outcome
Recruitment
Time frame: One year for each arm of the study.
Percentage of participants recruited out of the estimated number needed by power analysis. Power analyses revealed 42 participants were needed for 2X4 mixed model ANOVA 193 analysis, a=.05, power=.8, with a medium effect size, f=.2.
Retention
Time frame: One year for each arm of the study.
Percentage of participants that completed all 4 timepoints, baseline, acquisition, short term, and long term retention out of those that completed baseline trials.
16 secondary outcomes
Shoulder alignment during baseline to affected side
Time frame: baseline (prior to training)
Shoulder alignment during baseline to unaffected side
Time frame: baseline (prior to training)
Shoulder alignment during acquisition or training to affected side
Time frame: acquisition (30 minutes) through study completion, average of one year.
Shoulder alignment during acquisition or training to unaffected side
Time frame: acquisition (30 minutes) through study completion, average of one year.
Shoulder alignment during short term retention to affected side
Time frame: short-term (5 minutes after training)
Shoulder alignment during short term retention to unaffected side
Time frame: short-term (5 minutes after training)
Shoulder alignment during long term retention to affected side
Time frame: long-term (7 days after training)
Shoulder alignment during long term retention to unaffected side
Time frame: long-term (7 days after training)
Seated lateral excursion during baseline to affected side
Time frame: baseline (prior to training)
Seated lateral excursion during baseline to unaffected side
Time frame: baseline (prior to training)
Seated lateral excursion during acquisition or training to affected side
Time frame: acquisition (30 minutes) through study completion, average of one year.
Seated lateral excursion during acquisition or training to unaffected side
Time frame: acquisition (30 minutes) through study completion, average of one year.
Seated lateral excursion during short-term retention to affected side
Time frame: short-term (5 minutes after training)
Seated lateral excursion during short-term retention to unaffected side
Time frame: short-term (5 minutes after training)
Seated lateral excursion during long-term retention to affected side
Time frame: long-term (7 days after training)
Seated lateral excursion during long-term retention to unaffected side
Time frame: long-term (7 days after training)
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 6 Jan 2021.
- Background: PubMed 31992061Virani SS, Alonso A, Benjamin EJ, Bittencourt MS, Callaway CW, Carson AP, Chamberlain AM, Chang AR, Cheng S, Delling FN, Djousse L, Elkind MSV, Ferguson JF, Fornage M, Khan SS, Kissela BM, Knutson KL, Kwan TW, Lackland DT, Lewis TT, Lichtman JH, Longenecker CT, Loop MS, Lutsey PL, Martin SS, Matsushita K, Moran AE, Mussolino ME, Perak AM, Rosamond WD, Roth GA, Sampson UKA, Satou GM, Schroeder EB, Shah SH, Shay CM, Spartano NL, Stokes A, Tirschwell DL, VanWagner LB, Tsao CW; American Heart Association Council on Epidemiology and Prevention Statistics Committee and Stroke Statistics Subcommittee. Heart Disease and Stroke Statistics-2020 Update: A Report From the American Heart Association. Circulation. 2020 Mar 3;141(9):e139-e596. doi: 10.1161/CIR.0000000000000757. Epub 2020 Jan 29.
- BackgroundWulf G. Attentional focus and motor learning: A review of 15 years. Int Rev Sport Exerc Psychol. 2013;6(1):77-104. doi:10.1080/1750984X.2012.723728
- Background: PubMed 24054892Kal EC, van der Kamp J, Houdijk H. External attentional focus enhances movement automatization: a comprehensive test of the constrained action hypothesis. Hum Mov Sci. 2013 Aug;32(4):527-39. doi: 10.1016/j.humov.2013.04.001. Epub 2013 Jun 30.
- BackgroundKakebeeke T, Knols R, de Bruin E. Should rehabilitation specialists use external focus instructions when motor learning is fostered? A systematic review. Sports. 2013;1(2):37-54. doi:10.3390/sports1020037
- Background: PubMed 11765737Wulf G, McNevin N, Shea CH. The automaticity of complex motor skill learning as a function of attentional focus. Q J Exp Psychol A. 2001 Nov;54(4):1143-54. doi: 10.1080/713756012.
- Background: PubMed 24008053Sturmberg C, Marquez J, Heneghan N, Snodgrass S, van Vliet P. Attentional focus of feedback and instructions in the treatment of musculoskeletal dysfunction: a systematic review. Man Ther. 2013 Dec;18(6):458-67. doi: 10.1016/j.math.2013.07.002. Epub 2013 Sep 3.
- Background: PubMed 10758522McNevin NH, Wulf G, Carlson C. Effects of attentional focus, self-control, and dyad training on motor learning: implications for physical rehabilitation. Phys Ther. 2000 Apr;80(4):373-85. doi: 10.1093/ptj/80.4.373.
- BackgroundMasters RSW. Knowledge, knerves and know-how: The role of explicit versus implicit knowledge in the breakdown of a complex motor skill under pressure. Br J Psychol. 1992;83:343-358.
- Background: PubMed 26317437Kal EC, van der Kamp J, Houdijk H, Groet E, van Bennekom CA, Scherder EJ. Stay Focused! The Effects of Internal and External Focus of Attention on Movement Automaticity in Patients with Stroke. PLoS One. 2015 Aug 28;10(8):e0136917. doi: 10.1371/journal.pone.0136917. eCollection 2015.
- Background: PubMed 30168348Kal E, Houdijk H, van der Kamp J, Verhoef M, Prosee R, Groet E, Winters M, van Bennekom C, Scherder E. Are the effects of internal focus instructions different from external focus instructions given during balance training in stroke patients? A double-blind randomized controlled trial. Clin Rehabil. 2019 Feb;33(2):207-221. doi: 10.1177/0269215518795243. Epub 2018 Aug 31.
- Background: PubMed 28652064Kim GJ, Hinojosa J, Rao AK, Batavia M, O'Dell MW. Randomized Trial on the Effects of Attentional Focus on Motor Training of the Upper Extremity Using Robotics With Individuals After Chronic Stroke. Arch Phys Med Rehabil. 2017 Oct;98(10):1924-1931. doi: 10.1016/j.apmr.2017.06.005. Epub 2017 Jun 24.
- Background: PubMed 23796803Durham KF, Sackley CM, Wright CC, Wing AM, Edwards MG, van Vliet P. Attentional focus of feedback for improving performance of reach-to-grasp after stroke: a randomised crossover study. Physiotherapy. 2014 Jun;100(2):108-15. doi: 10.1016/j.physio.2013.03.004. Epub 2013 Jun 21.
- Founder letter : Is the 8 % payment cut the wake-up call rehab therapists need? WebPTLink provided by the sponsor.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Ashley W Hyatt, DPT principal investigator
Western Carolina University
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Focus of attention in people with Cerebrovascular Accident, run by Western Carolina University at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 6 Jan 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Recruitment (time frame: One year for each arm of the study.). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04696302, which also lists 25 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Jan 2021.