Impingement SyndromeimpingmentNCT06554860
Scapular Blackburn Stabilization Versus PNF in Impingement Syndrome
A study testing scapular Blackburn stabilization plus exercise, PNF plus Exercise and exercise only in people with Impingement Syndrome, run by Cairo University at 1 site in Egypt.
Trial summary
purpose of study to Aim to investigate effect(s) of scapular Blackburn stabilization exercises compared toscapular proprioceptive neuromuscular facilitation (SPNF) exercise in addition to conventional exercises on shoulder pain, function, shoulder,sacpular ROM, scapular muscle strength and scapular orientation in… Read more about this study
- Who is it for?
- Ages 30 to 50 years
- Conditions the study is for
- Impingement Syndrome
- What is being tested?
- scapular Blackburn stabilization plus exercise, PNF plus Exercise and exercise only
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 51 participants
- Where
- 1 siteEgypt
- Study dates
- 30 Jul 2024to 30 Jul 2025
- 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 30 to 50 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- 1. Fifty one Male and female patients with SIS and aged between 30-50.
- 2. Body mass index (BMI) 18.5-29.9 kg/m2.
- 3. patients complaining primary shoulder impingement.
- 4. patients with altered scapular resting positions with scapular dyskinesia with positive lateral scapular slide test.
- 5- patients will be included at least three special tests positive from the following tests:
- A-Hawkins-Kennedy Impingement Test:
Show all 11Show fewer
- B-Neer"s Impingement Test:
- C- "Empty Can" or Jobe Test D-painful arc test
- E-External rotation resistance test
- F-Cross-body adduction test
- G-Drop arm sign
Who cannot join
- 1- Neurological deficit affecting the shoulder function during daily activities.
- 2-Cervical disc pathology.
- 3- Brain injures.
- 4- Fractures in the upper limb
- 5-Undergone shoulder surgery
Trial locations and contacts
1 site in 1 country.
Egypt1 site
faculty of physical therapy Cairo university
Cairo, Giza Governorate, 022
About this study
Official title: Scapular Blackburn Stabilization Versus Proprioceptive Neuromuscular Facilitation in Subacromial Impingement Syndrome
purpose of study to Aim to investigate effect(s) of scapular Blackburn stabilization exercises compared toscapular proprioceptive neuromuscular facilitation (SPNF) exercise in addition to conventional exercises on shoulder pain, function, shoulder,sacpular ROM, scapular muscle strength and scapular orientation in patients with sub acromial impingement syndrome
Participants will be randomly allocated to three groups as follow:
Group A (n=17): will receive a program of conventional exercise include rotator cuff strengthening ,stretching for posterior capsule and stretching for pectoralis minor for 18 sessions (3 sessions per week for six weeks) Group B (n=17): will receive a scapular PNF exercise program in addition to conventional Exercise with the same frequency. Group C (n=17): will receive a scapular Blackburn stabilization exercises in addition to conventional Exercise with the same frequency
Read the detailed description
Sub-acromial impingement syndrome(SIS) is the most frequent cause of pain and overhead reach limitation in the shoulder area. It occurs when there is impingement of tendons or bursa in the shoulder from bones of the shoulder. Intrinsic and extrinsic factors that contribute to the development of SIS include inflammation in the supra humeral space, inhibition of the rotator cuff muscles, degeneration of the rotator cuff tendons, abnormal scapular position and kinematics. Currently SIS covers a range of pathologies from sub acromial bursitis to rotator cuff tendinopathy and full thickness rotator cuff tears.
The trial will guide physical therapists in selecting effective therapeutic interventions for patients with SAIS and scapular dyskinesia, aiming to reduce the number of treatment sessions, speed up recovery, and improve shoulder pain and functional abilities.
Scapular Blackburn stabilization exercise minimizes excessive superior translation of the humeral head in the glenoid fossa during elevation and subacromial space impingement, consequently addressing shoulder impingement. It also strengthens the scapulothoracic and rotator cuff muscles and decreases muscle imbalance.
Proprioceptive Neuromuscular Facilitation has been described as a comprehensive rehabilitation concept, promoting motor learning, motor control, strength and mobility.
This comprehensive rehabilitation approach includes task-oriented training with manual facilitation aimed at motor learning and motor control.
therefore, what are the effects of scapular Blackburn stabilization and PNF techniques in addition to conventional exercises on shoulder pain, function, shoulder ROM, scapular muscle strength, and scapular orientation in patients with sub acromial impingement syndrome?
- Conditions
- Impingement Syndrome
- Being tested
- scapular Blackburn stabilization plus exercise, PNF plus Exercise, exercise only
- Keywords
- Scapular Blackburn stabilization, Scapular PNF
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
scapular Blackburn stabilization plus exerciseOther
scapular Blackburn stabilization
PNF plus ExerciseOther
PNF plus Exercise
exercise onlyOther
Exercise only
| Study group | Role | What they receive |
|---|---|---|
| Experimental. | Experimental | receive a scapular PNF exercise program in addition to conventional Exercise , Receives: Other: scapular Blackburn stabilization plus exercise |
| Experimental | Experimental | receive a scapular Blackburn stabilization exercises in addition to conventional Exercise Receives: Other: PNF plus Exercise |
| control group | Other | Exercise only Receives: Other: exercise only |
What is being measured
The primary outcome is the main question the study is designed to answer.
shoulder pain and functional disability
Shoulder pain and disability index., minimum number 0=mean No pain and No disabilities and maximum number 10=mean highest pain and maximum disability
Measured: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
A-shoulder flexion ROM B- shoulder external rotation C-shoulder internal rotation
Digital Inclinometer.
Measured: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
selective muscle strength on: A- upper trapezius B- middle trapezius C-lower trapezius. D- serrates anterior
-Lafayette Hand-held dynamometer
Measured: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
scapula orientation
lateral scapular slide test
Measured: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Aug 2024
- Study start30 Jul 2024
- Primary completion30 Jun 2025
- Study completion30 Jul 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (79)Papers the sponsor has linked to this study.
- Other trials for Impingement SyndromeStudies of the same condition, open and under way.
- More trials run by Cairo UniversityThe sponsor's other registered studies.
- 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
- Masking
- Double blind
- Who is masked
- Participant, Outcomes assessor
- Enrolment
- 51 participants (actual)
Sponsor and investigators
- Lead sponsor
- Cairo University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Mostafa Esmat Fouad Ebrahem, Cairo University
- Investigators
- Enas F. Youssef, Prof.Dr, Principal investigator, chair person of Department of Physical therapy for Musculoskeletal Disorder and its Surgery
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06554860
- Sponsor's protocol ID
- Blackburn versus PNF
- Acronym
- impingment
- Status last verified
- Sep 2026
- First submitted
- 18 Jul 2024
- Last updated
- 5 Oct 2026
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Aceituno-Gomez J, Avendano-Coy J, Gomez-Soriano J, Garcia-Madero VM, Avila-Martin G, Serrano-Munoz D, Gonzalez-Gonzalez J, Criado-Alvarez JJ. Efficacy of high-intensity laser therapy in subacromial impingement syndrome: a three-month follow-up controlled clinical trial. Clin Rehabil. 2019 May;33(5):894-903. doi: 10.1177/0269215518824691. Epub 2019 Jan 23.
PubMed 30672303AlHarbi Y. Anatomical Variations in the Pectoralis Minor Muscle Origin and Insertion: A Systematic Review. Cureus. 2023 Oct 1;15(10):e46329. doi: 10.7759/cureus.46329. eCollection 2023 Oct.
PubMed 37916251Abdul-Karim S, Abdul-Hamid MS, Ho CA, Ling J. Validity, Reliability and Responsiveness of the Malay Shoulder Pain and Disability Index (M-SPADI) for Patients with Shoulder Pain. Malays Orthop J. 2023 Mar;17(1):160-171. doi: 10.5704/MOJ.2303.019.
PubMed 37064621Alsanawi HA, Alghadir A, Anwer S, Roach KE, Alawaji A. Cross-cultural adaptation and psychometric properties of an Arabic version of the Shoulder Pain and Disability Index. Int J Rehabil Res. 2015 Sep;38(3):270-5. doi: 10.1097/MRR.0000000000000118.
PubMed 25954858An DI, Park JE, Lee CH, Kim SY. Reliability of scapular upward rotation and anterior-posterior tilt measurements using a modified digital inclinometer in patients with subacromial impingement syndrome. J Back Musculoskelet Rehabil. 2021;34(5):837-843. doi: 10.3233/BMR-200080.
PubMed 33935062Breckenridge JD, McAuley JH. Shoulder Pain and Disability Index (SPADI). J Physiother. 2011;57(3):197. doi: 10.1016/S1836-9553(11)70045-5.
PubMed 21843839Bot SD, Terwee CB, van der Windt DA, Bouter LM, Dekker J, de Vet HC. Clinimetric evaluation of shoulder disability questionnaires: a systematic review of the literature. Ann Rheum Dis. 2004 Apr;63(4):335-41. doi: 10.1136/ard.2003.007724.
PubMed 15020324Boykin RE, Friedman DJ, Zimmer ZR, Oaklander AL, Higgins LD, Warner JJ. Suprascapular neuropathy in a shoulder referral practice. J Shoulder Elbow Surg. 2011 Sep;20(6):983-8. doi: 10.1016/j.jse.2010.10.039. Epub 2011 Feb 1.
PubMed 21277806Blennow K, Brody DL, Kochanek PM, Levin H, McKee A, Ribbers GM, Yaffe K, Zetterberg H. Traumatic brain injuries. Nat Rev Dis Primers. 2016 Nov 17;2:16084. doi: 10.1038/nrdp.2016.84.
PubMed 27853132Boettcher CE, Ginn KA, Cathers I. The 'empty can' and 'full can' tests do not selectively activate supraspinatus. J Sci Med Sport. 2009 Jul;12(4):435-9. doi: 10.1016/j.jsams.2008.09.005. Epub 2008 Dec 2.
PubMed 19054712Cools AM, Vanderstukken F, Vereecken F, Duprez M, Heyman K, Goethals N, Johansson F. Eccentric and isometric shoulder rotator cuff strength testing using a hand-held dynamometer: reference values for overhead athletes. Knee Surg Sports Traumatol Arthrosc. 2016 Dec;24(12):3838-3847. doi: 10.1007/s00167-015-3755-9. Epub 2015 Aug 21.
PubMed 26294055Celik D, Dirican A, Baltaci G. Intrarater reliability of assessing strength of the shoulder and scapular muscles. J Sport Rehabil. 2012 Feb 29;21(1):1-5. doi: 10.1123/jsr.2012.TR3. Print 2012 Feb 1.
PubMed 22495260Cools AM, Cambier D, Witvrouw EE. Screening the athlete's shoulder for impingement symptoms: a clinical reasoning algorithm for early detection of shoulder pathology. Br J Sports Med. 2008 Aug;42(8):628-35. doi: 10.1136/bjsm.2008.048074. Epub 2008 Jun 3.
PubMed 18523035Consigliere P, Haddo O, Levy O, Sforza G. Subacromial impingement syndrome: management challenges. Orthop Res Rev. 2018 Oct 23;10:83-91. doi: 10.2147/ORR.S157864. eCollection 2018.
PubMed 30774463Curtis T, Roush JR. The Lateral Scapular Slide Test: A Reliability Study of Males with and without Shoulder Pathology. N Am J Sports Phys Ther. 2006 Aug;1(3):140-6.
PubMed 21522226
Study at a glance
From the registry record, last updated by the sponsor on 5 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Scapular Blackburn Stabilization Versus Proprioceptive Neuromuscular Facilitation in Subacromial Impingement Syndrome
- ClinicalTrials.gov ID
- NCT06554860
- Acronym / sponsor ID
- impingment / Blackburn versus PNF
- Conditions
- Impingement Syndrome
- Keywords
- Scapular Blackburn stabilization, Scapular PNF
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 51 participants (actual)
- Lead sponsor
- Cairo UniversityUniversity, hospital or other
- Study start
- 30 Jul 2024 (actual)
- Primary completion
- 30 Jun 2025 (actual)
- Study completion
- 30 Jul 2025 (actual)
- First posted
- 15 Aug 2024 (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.
purpose of study to Aim to investigate effect(s) of scapular Blackburn stabilization exercises compared toscapular proprioceptive neuromuscular facilitation (SPNF) exercise in addition to conventional exercises on shoulder pain, function, shoulder,sacpular ROM, scapular muscle strength and scapular orientation in patients with sub acromial impingement syndrome
Participants will be randomly allocated to three groups as follow:
Group A (n=17): will receive a program of conventional exercise include rotator cuff strengthening ,stretching for posterior capsule and stretching for pectoralis minor for 18 sessions (3 sessions per week for six weeks) Group B (n=17): will receive a scapular PNF exercise program in addition to conventional Exercise with the same frequency. Group C (n=17): will receive a scapular Blackburn stabilization exercises in addition to conventional Exercise with the same frequency
Detailed description
Sub-acromial impingement syndrome(SIS) is the most frequent cause of pain and overhead reach limitation in the shoulder area. It occurs when there is impingement of tendons or bursa in the shoulder from bones of the shoulder. Intrinsic and extrinsic factors that contribute to the development of SIS include inflammation in the supra humeral space, inhibition of the rotator cuff muscles, degeneration of the rotator cuff tendons, abnormal scapular position and kinematics. Currently SIS covers a range of pathologies from sub acromial bursitis to rotator cuff tendinopathy and full thickness rotator cuff tears.
The trial will guide physical therapists in selecting effective therapeutic interventions for patients with SAIS and scapular dyskinesia, aiming to reduce the number of treatment sessions, speed up recovery, and improve shoulder pain and functional abilities.
Scapular Blackburn stabilization exercise minimizes excessive superior translation of the humeral head in the glenoid fossa during elevation and subacromial space impingement, consequently addressing shoulder impingement. It also strengthens the scapulothoracic and rotator cuff muscles and decreases muscle imbalance.
Proprioceptive Neuromuscular Facilitation has been described as a comprehensive rehabilitation concept, promoting motor learning, motor control, strength and mobility.
This comprehensive rehabilitation approach includes task-oriented training with manual facilitation aimed at motor learning and motor control.
therefore, what are the effects of scapular Blackburn stabilization and PNF techniques in addition to conventional exercises on shoulder pain, function, shoulder ROM, scapular muscle strength, and scapular orientation in patients with sub acromial impingement syndrome?
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, outcomes assessor)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Experimental. | Experimental | Other: scapular Blackburn stabilization plus exercisereceive a scapular PNF exercise program in addition to conventional Exercise , |
| Experimental | Experimental | Other: PNF plus Exercisereceive a scapular Blackburn stabilization exercises in addition to conventional Exercise |
| control group | Other | Other: exercise onlyExercise only |
Who may qualify
- Ages
- 30 to 50 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (11 listed)
- 1. Fifty one Male and female patients with SIS and aged between 30-50.
- 2. Body mass index (BMI) 18.5-29.9 kg/m2.
- 3. patients complaining primary shoulder impingement.
- 4. patients with altered scapular resting positions with scapular dyskinesia with positive lateral scapular slide test.
- 5- patients will be included at least three special tests positive from the following tests:
Key exclusion criteria (5 listed)
- 1- Neurological deficit affecting the shoulder function during daily activities.
- 2-Cervical disc pathology.
- 3- Brain injures.
- 4- Fractures in the upper limb
- 5-Undergone shoulder surgery
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 |
|---|---|---|
| scapular Blackburn stabilization plus exercisescapular Blackburn stabilization | Other | Experimental. |
| PNF plus ExercisePNF plus Exercise | Other | Experimental |
| exercise onlyExercise only | Other | control group |
Primary outcome
shoulder pain and functional disability
Time frame: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
Shoulder pain and disability index., minimum number 0=mean No pain and No disabilities and maximum number 10=mean highest pain and maximum disability
A-shoulder flexion ROM B- shoulder external rotation C-shoulder internal rotation
Time frame: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
Digital Inclinometer.
selective muscle strength on: A- upper trapezius B- middle trapezius C-lower trapezius. D- serrates anterior
Time frame: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
-Lafayette Hand-held dynamometer
scapula orientation
Time frame: Assessment procedure will be performed pre intervention and post third and sixth week of treatment
lateral scapular slide test
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 Oct 2026.
- Background: PubMed 30672303Aceituno-Gomez J, Avendano-Coy J, Gomez-Soriano J, Garcia-Madero VM, Avila-Martin G, Serrano-Munoz D, Gonzalez-Gonzalez J, Criado-Alvarez JJ. Efficacy of high-intensity laser therapy in subacromial impingement syndrome: a three-month follow-up controlled clinical trial. Clin Rehabil. 2019 May;33(5):894-903. doi: 10.1177/0269215518824691. Epub 2019 Jan 23.
- Background: PubMed 37916251AlHarbi Y. Anatomical Variations in the Pectoralis Minor Muscle Origin and Insertion: A Systematic Review. Cureus. 2023 Oct 1;15(10):e46329. doi: 10.7759/cureus.46329. eCollection 2023 Oct.
- Background: PubMed 37064621Abdul-Karim S, Abdul-Hamid MS, Ho CA, Ling J. Validity, Reliability and Responsiveness of the Malay Shoulder Pain and Disability Index (M-SPADI) for Patients with Shoulder Pain. Malays Orthop J. 2023 Mar;17(1):160-171. doi: 10.5704/MOJ.2303.019.
- Background: PubMed 25954858Alsanawi HA, Alghadir A, Anwer S, Roach KE, Alawaji A. Cross-cultural adaptation and psychometric properties of an Arabic version of the Shoulder Pain and Disability Index. Int J Rehabil Res. 2015 Sep;38(3):270-5. doi: 10.1097/MRR.0000000000000118.
- Background: PubMed 33935062An DI, Park JE, Lee CH, Kim SY. Reliability of scapular upward rotation and anterior-posterior tilt measurements using a modified digital inclinometer in patients with subacromial impingement syndrome. J Back Musculoskelet Rehabil. 2021;34(5):837-843. doi: 10.3233/BMR-200080.
- Background: PubMed 21843839Breckenridge JD, McAuley JH. Shoulder Pain and Disability Index (SPADI). J Physiother. 2011;57(3):197. doi: 10.1016/S1836-9553(11)70045-5.
- Background: PubMed 15020324Bot SD, Terwee CB, van der Windt DA, Bouter LM, Dekker J, de Vet HC. Clinimetric evaluation of shoulder disability questionnaires: a systematic review of the literature. Ann Rheum Dis. 2004 Apr;63(4):335-41. doi: 10.1136/ard.2003.007724.
- Background: PubMed 21277806Boykin RE, Friedman DJ, Zimmer ZR, Oaklander AL, Higgins LD, Warner JJ. Suprascapular neuropathy in a shoulder referral practice. J Shoulder Elbow Surg. 2011 Sep;20(6):983-8. doi: 10.1016/j.jse.2010.10.039. Epub 2011 Feb 1.
- Background: PubMed 27853132Blennow K, Brody DL, Kochanek PM, Levin H, McKee A, Ribbers GM, Yaffe K, Zetterberg H. Traumatic brain injuries. Nat Rev Dis Primers. 2016 Nov 17;2:16084. doi: 10.1038/nrdp.2016.84.
- Background: PubMed 19054712Boettcher CE, Ginn KA, Cathers I. The 'empty can' and 'full can' tests do not selectively activate supraspinatus. J Sci Med Sport. 2009 Jul;12(4):435-9. doi: 10.1016/j.jsams.2008.09.005. Epub 2008 Dec 2.
- Background: PubMed 26294055Cools AM, Vanderstukken F, Vereecken F, Duprez M, Heyman K, Goethals N, Johansson F. Eccentric and isometric shoulder rotator cuff strength testing using a hand-held dynamometer: reference values for overhead athletes. Knee Surg Sports Traumatol Arthrosc. 2016 Dec;24(12):3838-3847. doi: 10.1007/s00167-015-3755-9. Epub 2015 Aug 21.
- Background: PubMed 22495260Celik D, Dirican A, Baltaci G. Intrarater reliability of assessing strength of the shoulder and scapular muscles. J Sport Rehabil. 2012 Feb 29;21(1):1-5. doi: 10.1123/jsr.2012.TR3. Print 2012 Feb 1.
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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.
Enas F. Youssef, Prof.Dr principal investigator
chair person of Department of Physical therapy for Musculoskeletal Disorder and its Surgery
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing scapular Blackburn stabilization plus exercise, PNF plus Exercise and exercise only in people with Impingement Syndrome, run by Cairo University at 1 site in Egypt.
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 11 inclusion and 5 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 Oct 2026. 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 Egypt. 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?
shoulder pain and functional disability (time frame: Assessment procedure will be performed pre intervention and post third and sixth week of treatment). The study lists 4 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 NCT06554860, which also lists 79 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 Oct 2026.