Arthroscopic Bankart RepairNCT07099781
Relation Between Hand Grip and Shoulder Muscle Strength After Surgical Stabilization of Shoulder Dislocations
An observational study of Arthroscopic Bankart Repair and Arthroscopic Shoulder Surgery, run by Cairo University at 2 sites in Egypt.
Trial summary
To investigate the correlation between shoulder lateral rotators strength (LRS) and hand grip strength (HGS) at different shoulder positions in patients following arthroscopic Bankart repair surgery for anterior shoulder instability. Read more about this study
- Who is it for?
- Ages 18 to 40 years
- Conditions the study is for
- Arthroscopic Bankart Repair, Arthroscopic Shoulder Surgery, Hand Grip Strength
- What is being tested?
- handheld dynamometer and hand grip dynamometer
- Type of treatment
- Medical device
- How many people
- 15 participants
- Where
- 2 sitesEgypt
- Study dates
- 15 Sep 2024to 30 Apr 2025
- Phase
- Observational
- 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 40 years
- All sexes
- No healthy volunteers
- Adult
Study population: 15 patients aged 18 to 40 years Who underwent arthroscopic Bankart repair surgery Recruited from the outpatient physical therapy unit at International Mansoura Hospital Assessed 6 to 12 months postoperatively All had undergone a standardized 6-month physical therapy program Inclusion criteria ensured full or nearly full ROM and absence of shoulder pain Patients had no other musculoskeletal or neurological impairments affecting the shoulder or contralateral upper limb.
Who may be able to join
- Patients with arthroscopic Bankart repair surgery.
- Patients have passed 6 months after surgery.
- Patients have not surpassed 12 months from surgery
- Age of the patient ranged from 18 to 40 years to avoid including people with potential degenerative rotator cuff tears.
- Patients immediately started physical therapy program after surgery for 6 months.
- Nearly or complete full ROM.
- Absence of shoulder pain.
- Normal contralateral arm without previous surgeries.
Who cannot join
- Other associated surgeries such as slap repair or large humeral bone defect requiring remplissage.
- Moderate to severe shoulder pain.
- Incomplete ROM.
- Presence of nerve injury after the initial trauma.
- Past history of other previous surgeries on the affected limb.
- Any surgery or musculoskeletal disorder related to the neck or the contralateral upper limb.
Trial locations and contacts
2 sites in 1 country.
Egypt2 sites
Faculty of physical therapy, Cairo University
Cairo
Faculty of physical therapy, Cairo University
Giza
About this study
Official title: Relation Between Shoulder Lateral Rotators Strength and Hand Grip Strength After Arthroscopic Bankart Repair Surgery
To investigate the correlation between shoulder lateral rotators strength (LRS) and hand grip strength (HGS) at different shoulder positions in patients following arthroscopic Bankart repair surgery for anterior shoulder instability.
Read the detailed description
Anterior shoulder instability is a common clinical problem with a high incidence rate in athletes (Zacchilli and Owens., 2010). It may be a result of anterior force trauma to elevated, horizontally abducted, and externally rotated shoulder. In this position, stability is provided by the subscapularis, GH ligaments (particularly the anterior band of the inferior ligament), and the long head of the biceps (Ladd et al., 2021b). A high energy trauma may affect these structures, along with the attachment of the anterior capsule and glenoid labrum (Bankart lesion) (Ladd et al., 2021a) Traditionally, patients with first-time dislocation are managed conservatively however, the recurrence rate is high especially in the teenagers and younger population (Polyzois et al. 2016). in case of recurrent dislocation, surgical repair of the affected structures is performed either by open or arthroscopic approach (Kane et al., 2015).
After surgery, dynamic stability of the shoulder is important to ensure the repaired capsule, anteroinferior labrum and/or the inferior glenohumeral ligament are not vigorously stressed and compromised during daily living activities (Mueller et al., 2005) The muscles responsible for shoulder rotation serve as active stabilizers for the glenohumeral joint, and regaining strength in these muscles is crucial for stabilizing the joint during the recovery process after surgery (Edouard et al., 2012). In a previous study, researchers examined the progression of rotational muscle strength before and after open Bankart and modified Bristow procedures. The findings indicate that adequate muscle strength can be achieved six months post-surgery. Furthermore, the strength of these rotational muscles is closely linked to shoulder function and could serve as a useful indicator of glenohumeral instability following surgery (Amako et al., 2008).10 A cohort study found that after 4-8 months of postoperative Bankart repair, about 74% of patients regained their baseline range of motion and strength (Buckwalter V et al., 2018).
In a 13-year follow-up study, it was found that patients with less than 6 months of postoperative rehabilitation after arthroscopic Bankart repair surgery had an increased rate of recurrent dislocation (Aboalata et al., 2017).
Many studies found a positive correlation between hand gripping activity and rotator cuff muscle activity in healthy subjects. It was found that hand loading induces an elevation in intramuscular pressure within the supraspinatus (SSP) and infraspinatus (ISP) muscles (L. V. Roberts et al., 2008; Shenouda and El-Tokhy., 2014).
Previous literature advocates a relation between grip strength and the overall strength of the upper body, as well as it serves as an objective indicator of upper extremity function (Vaishya et al., 2024). Other studies have shown a positive correlation between isometric hand grip strength and isokinetic peak torque and work of the shoulder stabilizing muscles (Mandalidis and O'Brien 2010; Nascimento et al., 2012). This relationship suggests that a stable proximal shoulder girdle is necessary to facilitate optimal recruitment of distal muscles and effective transmission of force along the myofascial pathways (Huijing and Baan., 2003).
There are different mechanisms through which handgrip exercises elevate shoulder muscle activity. It was observed that the rotator cuff muscles, particularly the SSP and ISP, are more impacted by hand loading due to their role as stabilizers of the shoulder joint compared to muscles responsible for elevation such as the deltoid (D. R. Lee and Kim., 2016). Given that, maintaining stability of the glenohumeral joint (GHJ) is a primary function of the SSP and ISP, it is logical to anticipate an increase in their activity during hand activities to uphold joint stability (Blache et al., 2017).
Previous literature found that hand grip strength can be quantified by measuring the amount of static force that the hand can apply on the hand grip dynamometer that provides an objective index of the functional integrity of the upper extremity (Massy-Westropp et al., 2011). Another study showed that grip strength can be reliably used to assess the function of the lateral rotators of the shoulder in normal individuals (Horsley et al., 2016).
Up to author best knowledge, there is limited literature considering the correlation between hand grip strength and shoulder lateral rotator strength in patients with post Bankart repair surgery. Therefore, this study aims to assess the relation between hand grip strength and shoulder lateral rotators strength in various shoulder positions in patients who have undergone arthroscopic Bankart repair surgery six months postoperatively
- Conditions
- Arthroscopic Bankart Repair, Arthroscopic Shoulder Surgery, Hand Grip Strength, Rotator Cuff Strength
- Being tested
- handheld dynamometer and hand grip dynamometer
- Keywords
- Shoulder Instability, Arthroscopic Bankart Repair, Lateral Rotator Strength, Hand Grip Strength
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
handheld dynamometer and hand grip dynamometerDevice
using handheld dynamometer and hand grip dynamometer to test the strength of the hand grip and lateral rotators of the shoulder
What is being measured
The primary outcome is the main question the study is designed to answer.
Correlation between shoulder lateral rotator strength (LRS) and hand grip strength (HGS)
LRS and HGS will be measured isometrically using handheld dynamometer and hand grip dynamometer in three standardized shoulder positions. The correlation between these two variables will be analyzed to assess the neuromuscular relationship postoperatively.
Measured: 6-12 months post arthroscopic bankart repair
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted1 Aug 2025
- Study start15 Sep 2024
- Primary completion30 Apr 2025
- Study completion30 Apr 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (16)Papers the sponsor has linked to this study.
- Other trials for Arthroscopic Bankart RepairStudies 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
- Observational
- Observational model
- Other
- Time perspective
- Cross-sectional
- Enrolment
- 15 participants (actual)
Sponsor and investigators
- Lead sponsor
- Cairo University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Abdeltawab Mohamed Abdeltawab Hassoun, Cairo University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07099781
- Sponsor's protocol ID
- PT.REC/012/005367
- Status last verified
- Jul 2025
- First submitted
- 25 Jul 2025
- Last updated
- 1 Aug 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Publications
Brophy RH, Marx RG. The treatment of traumatic anterior instability of the shoulder: nonoperative and surgical treatment. Arthroscopy. 2009 Mar;25(3):298-304. doi: 10.1016/j.arthro.2008.12.007.
PubMed 19245994Bottoni CR, Wilckens JH, DeBerardino TM, D'Alleyrand JC, Rooney RC, Harpstrite JK, Arciero RA. A prospective, randomized evaluation of arthroscopic stabilization versus nonoperative treatment in patients with acute, traumatic, first-time shoulder dislocations. Am J Sports Med. 2002 Jul-Aug;30(4):576-80. doi: 10.1177/03635465020300041801.
PubMed 12130413Bonazza NA, Liu G, Leslie DL, Dhawan A. Trends in Surgical Management of Shoulder Instability. Orthop J Sports Med. 2017 Jun 28;5(6):2325967117712476. doi: 10.1177/2325967117712476. eCollection 2017 Jun.
PubMed 28695137Blackburn TA, Guido JA. Rehabilitation after ligamentous and labral surgery of the shoulder: guiding concepts. J Athl Train. 2000 Jul;35(3):373-81.
PubMed 16558650Su CY, Lin JH, Chien TH, Cheng KF, Sung YT. Grip strength in different positions of elbow and shoulder. Arch Phys Med Rehabil. 1994 Jul;75(7):812-5.
PubMed 8024431Steenbrink F, de Groot JH, Veeger HE, Meskers CG, van de Sande MA, Rozing PM. Pathological muscle activation patterns in patients with massive rotator cuff tears, with and without subacromial anaesthetics. Man Ther. 2006 Aug;11(3):231-7. doi: 10.1016/j.math.2006.07.004.
PubMed 16890886Boileau P, Villalba M, Hery JY, Balg F, Ahrens P, Neyton L. Risk factors for recurrence of shoulder instability after arthroscopic Bankart repair. J Bone Joint Surg Am. 2006 Aug;88(8):1755-63. doi: 10.2106/JBJS.E.00817.
PubMed 16882898Blache Y, Begon M, Michaud B, Desmoulins L, Allard P, Dal Maso F. Muscle function in glenohumeral joint stability during lifting task. PLoS One. 2017 Dec 15;12(12):e0189406. doi: 10.1371/journal.pone.0189406. eCollection 2017.
PubMed 29244838Arner JW, Peebles LA, Bradley JP, Provencher MT. Anterior Shoulder Instability Management: Indications, Techniques, and Outcomes. Arthroscopy. 2020 Nov;36(11):2791-2793. doi: 10.1016/j.arthro.2020.09.024.
PubMed 33172578Angst F, Schwyzer HK, Aeschlimann A, Simmen BR, Goldhahn J. Measures of adult shoulder function: Disabilities of the Arm, Shoulder, and Hand Questionnaire (DASH) and its short version (QuickDASH), Shoulder Pain and Disability Index (SPADI), American Shoulder and Elbow Surgeons (ASES) Society standardized shoulder assessment form, Constant (Murley) Score (CS), Simple Shoulder Test (SST), Oxford Shoulder Score (OSS), Shoulder Disability Questionnaire (SDQ), and Western Ontario Shoulder Instability Index (WOSI). Arthritis Care Res (Hoboken). 2011 Nov;63 Suppl 11:S174-88. doi: 10.1002/acr.20630. No abstract available.
PubMed 22588743Amako M, Imai T, Okamura K. Recovery of shoulder rotational muscle strength after a combined Bankart and modified Bristow procedure. J Shoulder Elbow Surg. 2008 Sep-Oct;17(5):738-43. doi: 10.1016/j.jse.2008.01.145. Epub 2008 Jun 16.
PubMed 18558501Amako M, Arino H, Tsuda Y, Tsuchihara T, Nemoto K. Recovery of Shoulder Rotational Muscle Strength After Arthroscopic Bankart Repair. Orthop J Sports Med. 2017 Sep 27;5(9):2325967117728684. doi: 10.1177/2325967117728684. eCollection 2017 Sep.
PubMed 28989939Alizadehkhaiyat O, Fisher AC, Kemp GJ, Vishwanathan K, Frostick SP. Shoulder muscle activation and fatigue during a controlled forceful hand grip task. J Electromyogr Kinesiol. 2011 Jun;21(3):478-82. doi: 10.1016/j.jelekin.2011.03.002. Epub 2011 Apr 2.
PubMed 21459609Alexander CM, Miley R, Harrison PJ. Functional modulation of shoulder girdle stability. Exp Brain Res. 2005 Mar;161(4):417-22. doi: 10.1007/s00221-004-2083-y. Epub 2004 Oct 21.
PubMed 15502981AlAnazi A, Alghadir AH, Gabr SA. Handgrip Strength Exercises Modulate Shoulder Pain, Function, and Strength of Rotator Cuff Muscles of Patients with Primary Subacromial Impingement Syndrome. Biomed Res Int. 2022 Aug 30;2022:9151831. doi: 10.1155/2022/9151831. eCollection 2022.
PubMed 36082154
Study at a glance
From the registry record, last updated by the sponsor on 1 Aug 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Relation Between Shoulder Lateral Rotators Strength and Hand Grip Strength After Arthroscopic Bankart Repair Surgery
- ClinicalTrials.gov ID
- NCT07099781
- Acronym / sponsor ID
- PT.REC/012/005367
- Conditions
- Arthroscopic Bankart Repair, Arthroscopic Shoulder Surgery, Hand Grip Strength, Rotator Cuff Strength
- Keywords
- Shoulder Instability, Arthroscopic Bankart Repair, Lateral Rotator Strength, Hand Grip Strength
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 15 participants (actual)
- Lead sponsor
- Cairo UniversityUniversity, hospital or other
- Study start
- 15 Sep 2024 (actual)
- Primary completion
- 30 Apr 2025 (actual)
- Study completion
- 30 Apr 2025 (actual)
- First posted
- 1 Aug 2025 (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.
To investigate the correlation between shoulder lateral rotators strength (LRS) and hand grip strength (HGS) at different shoulder positions in patients following arthroscopic Bankart repair surgery for anterior shoulder instability.
Detailed description
Anterior shoulder instability is a common clinical problem with a high incidence rate in athletes (Zacchilli and Owens., 2010). It may be a result of anterior force trauma to elevated, horizontally abducted, and externally rotated shoulder. In this position, stability is provided by the subscapularis, GH ligaments (particularly the anterior band of the inferior ligament), and the long head of the biceps (Ladd et al., 2021b). A high energy trauma may affect these structures, along with the attachment of the anterior capsule and glenoid labrum (Bankart lesion) (Ladd et al., 2021a) Traditionally, patients with first-time dislocation are managed conservatively however, the recurrence rate is high especially in the teenagers and younger population (Polyzois et al. 2016). in case of recurrent dislocation, surgical repair of the affected structures is performed either by open or arthroscopic approach (Kane et al., 2015).
After surgery, dynamic stability of the shoulder is important to ensure the repaired capsule, anteroinferior labrum and/or the inferior glenohumeral ligament are not vigorously stressed and compromised during daily living activities (Mueller et al., 2005) The muscles responsible for shoulder rotation serve as active stabilizers for the glenohumeral joint, and regaining strength in these muscles is crucial for stabilizing the joint during the recovery process after surgery (Edouard et al., 2012). In a previous study, researchers examined the progression of rotational muscle strength before and after open Bankart and modified Bristow procedures. The findings indicate that adequate muscle strength can be achieved six months post-surgery. Furthermore, the strength of these rotational muscles is closely linked to shoulder function and could serve as a useful indicator of glenohumeral instability following surgery (Amako et al., 2008).10 A cohort study found that after 4-8 months of postoperative Bankart repair, about 74% of patients regained their baseline range of motion and strength (Buckwalter V et al., 2018).
In a 13-year follow-up study, it was found that patients with less than 6 months of postoperative rehabilitation after arthroscopic Bankart repair surgery had an increased rate of recurrent dislocation (Aboalata et al., 2017).
Many studies found a positive correlation between hand gripping activity and rotator cuff muscle activity in healthy subjects. It was found that hand loading induces an elevation in intramuscular pressure within the supraspinatus (SSP) and infraspinatus (ISP) muscles (L. V. Roberts et al., 2008; Shenouda and El-Tokhy., 2014).
Previous literature advocates a relation between grip strength and the overall strength of the upper body, as well as it serves as an objective indicator of upper extremity function (Vaishya et al., 2024). Other studies have shown a positive correlation between isometric hand grip strength and isokinetic peak torque and work of the shoulder stabilizing muscles (Mandalidis and O'Brien 2010; Nascimento et al., 2012). This relationship suggests that a stable proximal shoulder girdle is necessary to facilitate optimal recruitment of distal muscles and effective transmission of force along the myofascial pathways (Huijing and Baan., 2003).
There are different mechanisms through which handgrip exercises elevate shoulder muscle activity. It was observed that the rotator cuff muscles, particularly the SSP and ISP, are more impacted by hand loading due to their role as stabilizers of the shoulder joint compared to muscles responsible for elevation such as the deltoid (D. R. Lee and Kim., 2016). Given that, maintaining stability of the glenohumeral joint (GHJ) is a primary function of the SSP and ISP, it is logical to anticipate an increase in their activity during hand activities to uphold joint stability (Blache et al., 2017).
Previous literature found that hand grip strength can be quantified by measuring the amount of static force that the hand can apply on the hand grip dynamometer that provides an objective index of the functional integrity of the upper extremity (Massy-Westropp et al., 2011). Another study showed that grip strength can be reliably used to assess the function of the lateral rotators of the shoulder in normal individuals (Horsley et al., 2016).
Up to author best knowledge, there is limited literature considering the correlation between hand grip strength and shoulder lateral rotator strength in patients with post Bankart repair surgery. Therefore, this study aims to assess the relation between hand grip strength and shoulder lateral rotators strength in various shoulder positions in patients who have undergone arthroscopic Bankart repair surgery six months postoperatively
Study design
- Observational model
- Other
- Time perspective
- Cross-sectional
Who may qualify
- Ages
- 18 to 40 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
- Study population
- 15 patients aged 18 to 40 years Who underwent arthroscopic Bankart repair surgery Recruited from the outpatient physical therapy unit at International Mansoura Hospital Assessed 6 to 12 months postoperatively All had undergone a standardized 6-month physical therapy program Inclusion criteria ensured full or nearly full ROM and absence of shoulder pain Patients had no other musculoskeletal or neurological impairments affecting the shoulder or contralateral upper limb.
Key inclusion criteria (8 listed)
- Patients with arthroscopic Bankart repair surgery.
- Patients have passed 6 months after surgery.
- Patients have not surpassed 12 months from surgery
- Age of the patient ranged from 18 to 40 years to avoid including people with potential degenerative rotator cuff tears.
- Patients immediately started physical therapy program after surgery for 6 months.
Key exclusion criteria (6 listed)
- Other associated surgeries such as slap repair or large humeral bone defect requiring remplissage.
- Moderate to severe shoulder pain.
- Incomplete ROM.
- Presence of nerve injury after the initial trauma.
- Past history of other previous surgeries on the affected limb.
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 |
|---|---|---|
| handheld dynamometer and hand grip dynamometerusing handheld dynamometer and hand grip dynamometer to test the strength of the hand grip and lateral rotators of the shoulder | Device | – |
Primary outcome
Correlation between shoulder lateral rotator strength (LRS) and hand grip strength (HGS)
Time frame: 6-12 months post arthroscopic bankart repair
LRS and HGS will be measured isometrically using handheld dynamometer and hand grip dynamometer in three standardized shoulder positions. The correlation between these two variables will be analyzed to assess the neuromuscular relationship postoperatively.
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 1 Aug 2025.
- Results publication: PubMed 19245994Brophy RH, Marx RG. The treatment of traumatic anterior instability of the shoulder: nonoperative and surgical treatment. Arthroscopy. 2009 Mar;25(3):298-304. doi: 10.1016/j.arthro.2008.12.007.
- Results publication: PubMed 12130413Bottoni CR, Wilckens JH, DeBerardino TM, D'Alleyrand JC, Rooney RC, Harpstrite JK, Arciero RA. A prospective, randomized evaluation of arthroscopic stabilization versus nonoperative treatment in patients with acute, traumatic, first-time shoulder dislocations. Am J Sports Med. 2002 Jul-Aug;30(4):576-80. doi: 10.1177/03635465020300041801.
- Results publication: PubMed 28695137Bonazza NA, Liu G, Leslie DL, Dhawan A. Trends in Surgical Management of Shoulder Instability. Orthop J Sports Med. 2017 Jun 28;5(6):2325967117712476. doi: 10.1177/2325967117712476. eCollection 2017 Jun.
- Results publication: PubMed 16558650Blackburn TA, Guido JA. Rehabilitation after ligamentous and labral surgery of the shoulder: guiding concepts. J Athl Train. 2000 Jul;35(3):373-81.
- Results publication: PubMed 8024431Su CY, Lin JH, Chien TH, Cheng KF, Sung YT. Grip strength in different positions of elbow and shoulder. Arch Phys Med Rehabil. 1994 Jul;75(7):812-5.
- Results publication: PubMed 16890886Steenbrink F, de Groot JH, Veeger HE, Meskers CG, van de Sande MA, Rozing PM. Pathological muscle activation patterns in patients with massive rotator cuff tears, with and without subacromial anaesthetics. Man Ther. 2006 Aug;11(3):231-7. doi: 10.1016/j.math.2006.07.004.
- Results publication: PubMed 16882898Boileau P, Villalba M, Hery JY, Balg F, Ahrens P, Neyton L. Risk factors for recurrence of shoulder instability after arthroscopic Bankart repair. J Bone Joint Surg Am. 2006 Aug;88(8):1755-63. doi: 10.2106/JBJS.E.00817.
- Results publication: PubMed 29244838Blache Y, Begon M, Michaud B, Desmoulins L, Allard P, Dal Maso F. Muscle function in glenohumeral joint stability during lifting task. PLoS One. 2017 Dec 15;12(12):e0189406. doi: 10.1371/journal.pone.0189406. eCollection 2017.
- Results publication: PubMed 33172578Arner JW, Peebles LA, Bradley JP, Provencher MT. Anterior Shoulder Instability Management: Indications, Techniques, and Outcomes. Arthroscopy. 2020 Nov;36(11):2791-2793. doi: 10.1016/j.arthro.2020.09.024.
- Results publication: PubMed 22588743Angst F, Schwyzer HK, Aeschlimann A, Simmen BR, Goldhahn J. Measures of adult shoulder function: Disabilities of the Arm, Shoulder, and Hand Questionnaire (DASH) and its short version (QuickDASH), Shoulder Pain and Disability Index (SPADI), American Shoulder and Elbow Surgeons (ASES) Society standardized shoulder assessment form, Constant (Murley) Score (CS), Simple Shoulder Test (SST), Oxford Shoulder Score (OSS), Shoulder Disability Questionnaire (SDQ), and Western Ontario Shoulder Instability Index (WOSI). Arthritis Care Res (Hoboken). 2011 Nov;63 Suppl 11:S174-88. doi: 10.1002/acr.20630. No abstract available.
- Results publication: PubMed 18558501Amako M, Imai T, Okamura K. Recovery of shoulder rotational muscle strength after a combined Bankart and modified Bristow procedure. J Shoulder Elbow Surg. 2008 Sep-Oct;17(5):738-43. doi: 10.1016/j.jse.2008.01.145. Epub 2008 Jun 16.
- Results publication: PubMed 28989939Amako M, Arino H, Tsuda Y, Tsuchihara T, Nemoto K. Recovery of Shoulder Rotational Muscle Strength After Arthroscopic Bankart Repair. Orthop J Sports Med. 2017 Sep 27;5(9):2325967117728684. doi: 10.1177/2325967117728684. eCollection 2017 Sep.
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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.
The record lists no contact. Use the official record to reach the sponsor.
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Arthroscopic Bankart Repair and Arthroscopic Shoulder Surgery, run by Cairo University at 2 sites 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 8 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 1 Aug 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites 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?
Correlation between shoulder lateral rotator strength (LRS) and hand grip strength (HGS) (time frame: 6-12 months post arthroscopic bankart repair). 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 NCT07099781, which also lists 16 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 1 Aug 2025.