Athletic InjuriesNCT04668729
Effects of Lumbosacral Chiropractic on the Olympic Style Weightlifting Athletes
A study testing Chiropractic Manipulation in people with Athletic Injuries, run by Bahçeşehir University at 1 site in Turkey (Türkiye).
Trial summary
It is known that low back injuries experienced by weightlifting athletes cause a decrease in performance. The effects of spinal manipulative therapy, which has been found to positively affect performance in various sports, are not known in the Olympic style weightlifting athletes. Read more about this study
- Who is it for?
- Ages 13 to 32 years, men onlyHealthy volunteers can take part
- Conditions the study is for
- Athletic Injuries
- What is being tested?
- Chiropractic Manipulation
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 37 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 6 Dec 2020to 3 Jan 2021
- 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 13 to 32 years
- Men only
- Healthy volunteers accepted
- Child, Adult
Who may be able to join
- Being a weightlifting athlete
- Presence of sacroiliac and lumbar spine asymptomatic dysfunctions in tests
Who cannot join
- Not wanting to continue education
- Not being able to come to assessments
- Having a musculoskeletal injury in the upper and lower extremities in the last month
- Having any neurological or psychiatric illness
- Having a fracture in the past
- Having a tumor in the past
Show all 12Show fewer
- Lumbar disc hernias, spondylosis, spondylolisthesis
- Having a disease related to the cardiac and respiratory system
- Having an infectious, rheumatological, metabolic, and endocrine disease
- Having dislocation, osteoporosis, ankylosing spondylitis, discopathy, rheumatoid arthritis
- Being in the treatment of instability, acute myelopathy, anticoagulants
- Recently had a surgery
Trial locations and contacts
1 site in 1 country.
Turkey (Türkiye)1 site
Ankara Türkiye Olimpiyat Hazirlik Merkezi
Ankara, 06820
About this study
Official title: Effects of Lumbosacral Chiropractic Spinal Manipulative Therapy on Muscle Strength, Range of Motion, Balance and Pain in Olympic Style Weightlifting Athletes
It is known that low back injuries experienced by weightlifting athletes cause a decrease in performance. The effects of spinal manipulative therapy, which has been found to positively affect performance in various sports, are not known in the Olympic style weightlifting athletes. This study is aimed to investigate the effects of lumbosacral chiropractic spinal manipulative therapy on muscle strength, range of motion, balance, and pain in Olympic style weightlifting athletes.
In this research, 40 male Olympic style weightlifting athletes are planned to take place. Male athletes will be randomly divided into two groups as a control and a treatment group. To the individuals in the treatment group; lumbal region chiropractic high-speed, low amplitude (High Velocity, Low amplitude: HVLA) spinal manipulation and sacroiliac joint chiropractic HVLA manipulation are planned to perform once a week for a total of three weeks. No manipulation will be made to individuals in the treatment group. Before and after the manipulation; the maximum isometric muscular force, the lumbar spine range of motion, balance performance and pain intensity will be evaluated by a back dynamometer, hand finger-ground distance test (HFGD), and Modified Schober test, flamingo balance test, and visual analog scale. SPPS 25 (IBM Corp. Released 2017. IBM SPSS Statistics for Windows, Version 25.0. Armonk, NY: IBM Corp.) version will be used to analyze the data.
Read the detailed description
There are studies in the literature regarding the positive effect of chiropractic treatment on musculoskeletal injuries. In a study, it is found that the group that received cervical chiropractic manipulation on judo athletes showed a statistically significant (p <0.05) increase in grip strength compared to those who received sham practice. In another study, it is found that a single lumbar spinal manipulation reduced the relative strength difference between the limbs for knee and hip flexion (p <0.05). In another study, it is shown that a single spinal manipulation session increased the muscle strength of the ankle plantar flexor muscles and corticospinal excitability (p <0.05) in elite Taekwondo athletes. Likewise, according to another study, lumbopelvic joint manipulation increased quadriceps activation and strength.
A study claims that young female athletes with talocrural joint dysfunction showed a statistically significant (p <0.05) improvement in vertical jump height after chiropractic manipulation. In addition, in a study investigating the effect of pelvic manipulation on vertical jump height in female university students with functional leg length inequality, it was found that after the intervention, jump height improved significantly only in the pelvic manipulation group compared to pre-intervention height, while improvement in female university students with functional leg length inequality was found to be statistically significant (p <0.05) in both manipulation and stretching groups after the manipulation.
A study showed that chiropractic spinal manipulative therapy can increase hip extension ability in young running athletes (p <0.05). According to a study conducted on football players, it was shown that combined manipulative interventions caused significantly (p <0.05) increases in the range of motion in the lumbar region and sacroiliac joint flexion. In addition, it was reported that the group who received chiropractic manipulation (compared to the group that received sham manipulation) caused a significant increase in kick speed (p <0.05) after the manipulation.
Again, in another research, it is found that an increase in cervical range of motion and a decrease in neck pain with a single cervical HVLA (High Velocity, Low amplitude: HVLA) manipulation (p <0.05) and stated that HVLA manipulation was more effective than mobilization.
- Conditions
- Athletic Injuries
- Being tested
- Chiropractic Manipulation
- Keywords
- Athletes, Balance, Muscle strenght, Musculoskeletal manipulations, Pain, Range of motion
- Medical subject headings
- Athletic Injuries, Pain
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Chiropractic ManipulationOther
Lumbar vertebrae and sacroiliac joints of the participants that have lost their normal joint motion will be detected by static and dynamic palpation techniques.
Lumbal Chiropractic HVLA Spinal Manipulation: HVLA manipulation will be applied in the left transverse process of the lumbar vertebra (mammillary process) of the participants whose problem is to the left of the lumbar vertebra.
Sacroiliac Chiropractic HVLA Manipulation: Participants who lost normal joint motion in the anterior and superior directions in the left sacroiliac joint will be treated with HVLA manipulation in the left PSIS (Posterior Superior Iliac Spine: PSIS). Participants who have lost normal joint motion in the left sacroiliac joint in the posterior and inferior directions will be applied HVLA manipulation in the left ischial tuberosity.
For both applications, it will be positioned in the opposite position for the problems on the right and the application will be made in the opposite position.
| Study group | Role | What they receive |
|---|---|---|
| Control group | No intervention | 20 people will be included in the control group. 3 measurements will be taken one week apart in total. Measurements will consist of maximum isometric muscle strength, lumbar range of motion, balance performance, and pain intensity. And it will be evaluated respectively by back dynamometer, hand finger-to-ground distance (HFGD) and Modified Schober test, flamingo balance test, and visual analog scale. |
| Chiropractic group | Experimental | 20 people will be included in the experimental group. Lumbal chiropractic HVLA (High Velocity, Low amplitude: HVLA) spinal manipulation and sacroiliac joint chiropractic HVLA manipulation will be applied 3 times in total with a weekly interval. The maximum isometric muscle strength before and immediately after the application, lumbar joint range of motion, balance performance, and pain intensity will be evaluated respectively by back dynamometer, hand finger-to-ground distance (HFGD), and Modified Schober test, flamingo balance test, and visual analog scale. Receives: Other: Chiropractic Manipulation |
What is being measured
The primary outcome is the main question the study is designed to answer.
Muscle Strength
Muscle Strength: In measuring the muscle strength of the back area, the participant will be provided to take the starting position for the test on the dynamometer (Takkei-Japon) while the knees are flexed. Then, while his/her arms are in extension, his/her back is straight, and his/her body is slightly flexed, he/she will be asked to pull up the dynamometer bar he grasped with his/her hands vertically using his legs at the maximum level. This traction will be repeated three times. The best result will be recorded.
Measured: 3 weeks
Lumbal Area Joint Range of Motion: Hand Finger-Ground Distance (HFGD)
Hand Finger-Ground Distance (HFGD): Participants will lean forward as much as they can, standing, hands-free, without bending their knees. Lumbar joint range of motion will be found by measuring the distance between the participants' third finger and the ground.
Measured: 3 weeks
Lumbal Area Joint Range of Motion: Modified Schober Test
Modified Schober Test: With the participants standing in an upright position, a line will be drawn joining the right and left posterior superior iliac spine. From the midpoint of this line, 10 cm up and 5 cm below will be marked, the participants will be asked to lean forward as much as possible without bending their knees, and the distance between the two will be measured again. Lumbal joint range of motion will be obtained by recording the measured value above 15 cm as a result of the modified Schober test.
Measured: 3 weeks
Balance Performance
Flamingo balance test: Specially prepared balance bench (fifty cm long, four cm high, three cm wide) and timekeeper will be used in the test. The participant will be placed on the balance bench with his dominant foot. Then, the participant will be asked to flex the other knee, pull it towards the hip and hold it with the same hand. After the participant takes the correct position, s/he will get help from the test manager by holding on to the test manager until he/she stabilizes, and the time will start from the moment he/she stabilizes and quits the support. The time will be stopped when the participant's balance is disrupted, that is, when s/he leaves his/her foot, falls from the bench, any part of the body touches the ground, and so on. The total time will be a minute. The number of times the participants are unbalanced during the test (falling etc.) will be counted and recorded as the athletes' scores at the end of the test. Low scores mean better, higher scores mean worse outcome.
Measured: 3 weeks
Pain Intensity
Pain Intensity: It will be evaluated with a visual analog scale (VAS) numbered equal intervals from 0 to 10 on a 10 cm line, which is used to digitize some values that cannot be measured numerically. 0 means no pain and 10 means unbearable pain. Thus, participants will be asked to mark the intensity of pain they perceive.
Measured: 3 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Dec 2020
- Study start6 Dec 2020
- Primary completion6 Dec 2020
- Study completion3 Jan 2021
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (9)Papers the sponsor has linked to this study.
- Other trials for Athletic InjuriesStudies 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
- The individuals are randomly allocated into control and chiropractic groups.
- Masking
- None (open label)
- Enrolment
- 37 participants (actual)
Sponsor and investigators
- Lead sponsor
- Bahçeşehir University
- Sponsor type
- University, hospital or other
- Collaborators
- Necmettin Erbakan University
- Responsible party
- Principal investigator, Mehmet Kaan Altunok, Bahçeşehir University
- Investigators
- Leyla Ataş Balcı, assist prof, Study director, Bahçeşehir UniversityKenan Erdağı, assist prof, Study director, Necmettin Erbakan University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04668729
- Sponsor's protocol ID
- 1801408
- Status last verified
- Jan 2021
- First submitted
- 5 Dec 2020
- Last updated
- 5 Jan 2021
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Botelho MB, Andrade BB. Effect of cervical spine manipulative therapy on judo athletes' grip strength. J Manipulative Physiol Ther. 2012 Jan;35(1):38-44. doi: 10.1016/j.jmpt.2011.09.005. Epub 2011 Nov 10.
PubMed 22079053Chilibeck PD, Cornish SM, Schulte A, Jantz N, Magnus CR, Schwanbeck S, Juurlink BH. The effect of spinal manipulation on imbalances in leg strength. J Can Chiropr Assoc. 2011 Sep;55(3):183-92.
PubMed 21886280Christiansen TL, Niazi IK, Holt K, Nedergaard RW, Duehr J, Allen K, Marshall P, Turker KS, Hartvigsen J, Haavik H. The effects of a single session of spinal manipulation on strength and cortical drive in athletes. Eur J Appl Physiol. 2018 Apr;118(4):737-749. doi: 10.1007/s00421-018-3799-x. Epub 2018 Jan 11.
PubMed 29327170Grindstaff TL, Hertel J, Beazell JR, Magrum EM, Ingersoll CD. Effects of lumbopelvic joint manipulation on quadriceps activation and strength in healthy individuals. Man Ther. 2009 Aug;14(4):415-20. doi: 10.1016/j.math.2008.06.005. Epub 2008 Sep 20.
PubMed 18805726Hedlund S, Nilsson H, Lenz M, Sundberg T. Effect of chiropractic manipulation on vertical jump height in young female athletes with talocrural joint dysfunction: a single-blind randomized clinical pilot trial. J Manipulative Physiol Ther. 2014 Feb;37(2):116-23. doi: 10.1016/j.jmpt.2013.11.004. Epub 2014 Jan 2.
PubMed 24387886Gong W. The influence of pelvic adjustment on vertical jump height in female university students with functional leg length inequality. J Phys Ther Sci. 2015 Jan;27(1):251-3. doi: 10.1589/jpts.27.251. Epub 2015 Jan 9.
PubMed 25642085Sandell J, Palmgren PJ, Bjorndahl L. Effect of chiropractic treatment on hip extension ability and running velocity among young male running athletes. J Chiropr Med. 2008 Jun;7(2):39-47. doi: 10.1016/j.jcme.2008.02.003.
PubMed 19674719Deutschmann KC, Jones AD, Korporaal CM. A non-randomised experimental feasibility study into the immediate effect of three different spinal manipulative protocols on kicking speed performance in soccer players. Chiropr Man Therap. 2015 Jan 13;23(1):1. doi: 10.1186/s12998-014-0046-3. eCollection 2015.
PubMed 25635222Martinez-Segura R, Fernandez-de-las-Penas C, Ruiz-Saez M, Lopez-Jimenez C, Rodriguez-Blanco C. Immediate effects on neck pain and active range of motion after a single cervical high-velocity low-amplitude manipulation in subjects presenting with mechanical neck pain: a randomized controlled trial. J Manipulative Physiol Ther. 2006 Sep;29(7):511-7. doi: 10.1016/j.jmpt.2006.06.022.
PubMed 16949939
Study at a glance
From the registry record, last updated by the sponsor on 5 Jan 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effects of Lumbosacral Chiropractic Spinal Manipulative Therapy on Muscle Strength, Range of Motion, Balance and Pain in Olympic Style Weightlifting Athletes
- ClinicalTrials.gov ID
- NCT04668729
- Acronym / sponsor ID
- 1801408
- Conditions
- Athletic Injuries
- Keywords
- Athletes, Balance, Muscle strenght, Musculoskeletal manipulations, Pain, Range of motion
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 37 participants (actual)
- Lead sponsor
- Bahçeşehir UniversityUniversity, hospital or other
- Collaborators
- Necmettin Erbakan University
- Study start
- 6 Dec 2020 (actual)
- Primary completion
- 6 Dec 2020 (actual)
- Study completion
- 3 Jan 2021 (actual)
- First posted
- 16 Dec 2020 (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.
It is known that low back injuries experienced by weightlifting athletes cause a decrease in performance. The effects of spinal manipulative therapy, which has been found to positively affect performance in various sports, are not known in the Olympic style weightlifting athletes. This study is aimed to investigate the effects of lumbosacral chiropractic spinal manipulative therapy on muscle strength, range of motion, balance, and pain in Olympic style weightlifting athletes.
In this research, 40 male Olympic style weightlifting athletes are planned to take place. Male athletes will be randomly divided into two groups as a control and a treatment group. To the individuals in the treatment group; lumbal region chiropractic high-speed, low amplitude (High Velocity, Low amplitude: HVLA) spinal manipulation and sacroiliac joint chiropractic HVLA manipulation are planned to perform once a week for a total of three weeks. No manipulation will be made to individuals in the treatment group. Before and after the manipulation; the maximum isometric muscular force, the lumbar spine range of motion, balance performance and pain intensity will be evaluated by a back dynamometer, hand finger-ground distance test (HFGD), and Modified Schober test, flamingo balance test, and visual analog scale. SPPS 25 (IBM Corp. Released 2017. IBM SPSS Statistics for Windows, Version 25.0. Armonk, NY: IBM Corp.) version will be used to analyze the data.
Detailed description
There are studies in the literature regarding the positive effect of chiropractic treatment on musculoskeletal injuries. In a study, it is found that the group that received cervical chiropractic manipulation on judo athletes showed a statistically significant (p <0.05) increase in grip strength compared to those who received sham practice. In another study, it is found that a single lumbar spinal manipulation reduced the relative strength difference between the limbs for knee and hip flexion (p <0.05). In another study, it is shown that a single spinal manipulation session increased the muscle strength of the ankle plantar flexor muscles and corticospinal excitability (p <0.05) in elite Taekwondo athletes. Likewise, according to another study, lumbopelvic joint manipulation increased quadriceps activation and strength.
A study claims that young female athletes with talocrural joint dysfunction showed a statistically significant (p <0.05) improvement in vertical jump height after chiropractic manipulation. In addition, in a study investigating the effect of pelvic manipulation on vertical jump height in female university students with functional leg length inequality, it was found that after the intervention, jump height improved significantly only in the pelvic manipulation group compared to pre-intervention height, while improvement in female university students with functional leg length inequality was found to be statistically significant (p <0.05) in both manipulation and stretching groups after the manipulation.
A study showed that chiropractic spinal manipulative therapy can increase hip extension ability in young running athletes (p <0.05). According to a study conducted on football players, it was shown that combined manipulative interventions caused significantly (p <0.05) increases in the range of motion in the lumbar region and sacroiliac joint flexion. In addition, it was reported that the group who received chiropractic manipulation (compared to the group that received sham manipulation) caused a significant increase in kick speed (p <0.05) after the manipulation.
Again, in another research, it is found that an increase in cervical range of motion and a decrease in neck pain with a single cervical HVLA (High Velocity, Low amplitude: HVLA) manipulation (p <0.05) and stated that HVLA manipulation was more effective than mobilization.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
- Model description
- The individuals are randomly allocated into control and chiropractic groups.
| Arm | Type | Receives |
|---|---|---|
| Control group | No intervention | –20 people will be included in the control group. 3 measurements will be taken one week apart in total. Measurements will consist of maximum isometric muscle strength, lumbar range of motion, balance performance, and pain intensity. And it will be evaluated respectively by back dynamometer, hand finger-to-ground distance (HFGD) and Modified Schober test, flamingo balance test, and visual analog scale. |
| Chiropractic group | Experimental | Other: Chiropractic Manipulation20 people will be included in the experimental group. Lumbal chiropractic HVLA (High Velocity, Low amplitude: HVLA) spinal manipulation and sacroiliac joint chiropractic HVLA manipulation will be applied 3 times in total with a weekly interval. The maximum isometric muscle strength before and immediately after the application, lumbar joint range of motion, balance performance, and pain intensity will be evaluated respectively by back dynamometer, hand finger-to-ground distance (HFGD), and Modified Schober test, flamingo balance test, and visual analog scale. |
Who may qualify
- Ages
- 13 to 32 years
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult
Key inclusion criteria (2 listed)
- Being a weightlifting athlete
- Presence of sacroiliac and lumbar spine asymptomatic dysfunctions in tests
Key exclusion criteria (12 listed)
- Not wanting to continue education
- Not being able to come to assessments
- Having a musculoskeletal injury in the upper and lower extremities in the last month
- Having any neurological or psychiatric illness
- Having a fracture in the past
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 |
|---|---|---|
| Chiropractic ManipulationLumbar vertebrae and sacroiliac joints of the participants that have lost their normal joint motion will be detected by static and dynamic palpation techniques. Lumbal Chiropractic HVLA Spinal Manipulation: HVLA manipulation will be applied in the left transverse process of the lumbar vertebra (mammillary process) of the participants whose problem is to the left of the lumbar vertebra. Sacroiliac Chiropractic HVLA Manipulation: Participants who lost normal joint motion in the anterior and superior directions in the left sacroiliac joint will be treated with HVLA manipulation in the left PSIS (Posterior Superior Iliac Spine: PSIS). Participants who have lost normal joint motion in the left sacroiliac joint in the posterior and inferior directions will be applied HVLA manipulation in the left ischial tuberosity. For both applications, it will be positioned in the opposite position for the problems on the right and the application will be made in the opposite position. | Other | Chiropractic group |
Primary outcome
Muscle Strength
Time frame: 3 weeks
Muscle Strength: In measuring the muscle strength of the back area, the participant will be provided to take the starting position for the test on the dynamometer (Takkei-Japon) while the knees are flexed. Then, while his/her arms are in extension, his/her back is straight, and his/her body is slightly flexed, he/she will be asked to pull up the dynamometer bar he grasped with his/her hands vertically using his legs at the maximum level. This traction will be repeated three times. The best result will be recorded.
Lumbal Area Joint Range of Motion: Hand Finger-Ground Distance (HFGD)
Time frame: 3 weeks
Hand Finger-Ground Distance (HFGD): Participants will lean forward as much as they can, standing, hands-free, without bending their knees. Lumbar joint range of motion will be found by measuring the distance between the participants' third finger and the ground.
Lumbal Area Joint Range of Motion: Modified Schober Test
Time frame: 3 weeks
Modified Schober Test: With the participants standing in an upright position, a line will be drawn joining the right and left posterior superior iliac spine. From the midpoint of this line, 10 cm up and 5 cm below will be marked, the participants will be asked to lean forward as much as possible without bending their knees, and the distance between the two will be measured again. Lumbal joint range of motion will be obtained by recording the measured value above 15 cm as a result of the modified Schober test.
Balance Performance
Time frame: 3 weeks
Flamingo balance test: Specially prepared balance bench (fifty cm long, four cm high, three cm wide) and timekeeper will be used in the test. The participant will be placed on the balance bench with his dominant foot. Then, the participant will be asked to flex the other knee, pull it towards the hip and hold it with the same hand. After the participant takes the correct position, s/he will get help from the test manager by holding on to the test manager until he/she stabilizes, and the time will start from the moment he/she stabilizes and quits the support. The time will be stopped when the participant's balance is disrupted, that is, when s/he leaves his/her foot, falls from the bench, any part of the body touches the ground, and so on. The total time will be a minute. The number of times the participants are unbalanced during the test (falling etc.) will be counted and recorded as the athletes' scores at the end of the test. Low scores mean better, higher scores mean worse outcome.
Pain Intensity
Time frame: 3 weeks
Pain Intensity: It will be evaluated with a visual analog scale (VAS) numbered equal intervals from 0 to 10 on a 10 cm line, which is used to digitize some values that cannot be measured numerically. 0 means no pain and 10 means unbearable pain. Thus, participants will be asked to mark the intensity of pain they perceive.
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 5 Jan 2021.
- Background: PubMed 22079053Botelho MB, Andrade BB. Effect of cervical spine manipulative therapy on judo athletes' grip strength. J Manipulative Physiol Ther. 2012 Jan;35(1):38-44. doi: 10.1016/j.jmpt.2011.09.005. Epub 2011 Nov 10.
- Background: PubMed 21886280Chilibeck PD, Cornish SM, Schulte A, Jantz N, Magnus CR, Schwanbeck S, Juurlink BH. The effect of spinal manipulation on imbalances in leg strength. J Can Chiropr Assoc. 2011 Sep;55(3):183-92.
- Background: PubMed 29327170Christiansen TL, Niazi IK, Holt K, Nedergaard RW, Duehr J, Allen K, Marshall P, Turker KS, Hartvigsen J, Haavik H. The effects of a single session of spinal manipulation on strength and cortical drive in athletes. Eur J Appl Physiol. 2018 Apr;118(4):737-749. doi: 10.1007/s00421-018-3799-x. Epub 2018 Jan 11.
- Background: PubMed 18805726Grindstaff TL, Hertel J, Beazell JR, Magrum EM, Ingersoll CD. Effects of lumbopelvic joint manipulation on quadriceps activation and strength in healthy individuals. Man Ther. 2009 Aug;14(4):415-20. doi: 10.1016/j.math.2008.06.005. Epub 2008 Sep 20.
- Background: PubMed 24387886Hedlund S, Nilsson H, Lenz M, Sundberg T. Effect of chiropractic manipulation on vertical jump height in young female athletes with talocrural joint dysfunction: a single-blind randomized clinical pilot trial. J Manipulative Physiol Ther. 2014 Feb;37(2):116-23. doi: 10.1016/j.jmpt.2013.11.004. Epub 2014 Jan 2.
- Background: PubMed 25642085Gong W. The influence of pelvic adjustment on vertical jump height in female university students with functional leg length inequality. J Phys Ther Sci. 2015 Jan;27(1):251-3. doi: 10.1589/jpts.27.251. Epub 2015 Jan 9.
- Background: PubMed 19674719Sandell J, Palmgren PJ, Bjorndahl L. Effect of chiropractic treatment on hip extension ability and running velocity among young male running athletes. J Chiropr Med. 2008 Jun;7(2):39-47. doi: 10.1016/j.jcme.2008.02.003.
- Background: PubMed 25635222Deutschmann KC, Jones AD, Korporaal CM. A non-randomised experimental feasibility study into the immediate effect of three different spinal manipulative protocols on kicking speed performance in soccer players. Chiropr Man Therap. 2015 Jan 13;23(1):1. doi: 10.1186/s12998-014-0046-3. eCollection 2015.
- Background: PubMed 16949939Martinez-Segura R, Fernandez-de-las-Penas C, Ruiz-Saez M, Lopez-Jimenez C, Rodriguez-Blanco C. Immediate effects on neck pain and active range of motion after a single cervical high-velocity low-amplitude manipulation in subjects presenting with mechanical neck pain: a randomized controlled trial. J Manipulative Physiol Ther. 2006 Sep;29(7):511-7. doi: 10.1016/j.jmpt.2006.06.022.
- 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.
Leyla Ataş Balcı, assist prof study director
Bahçeşehir University
Kenan Erdağı, assist prof study director
Necmettin Erbakan 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 Chiropractic Manipulation in people with Athletic Injuries, run by Bahçeşehir University at 1 site in Turkey (Türkiye).
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 12 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 5 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 Turkey (Türkiye). 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?
Muscle Strength (time frame: 3 weeks). The study lists 5 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 NCT04668729, which also lists 9 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 5 Jan 2021.