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Surg Radiol Anat 2022 Aug 12. Epub 2022 Aug 12.

Department of Anatomical Dissection and Donation, Medical University of Lodz, Lodz, Poland.

The infraspinatus muscle is situated under the scapular spine in the infraspinous fossa and inserts into the greater tuberosity of the humerus. It is a component of a crucial shoulder muscle group, the rotator cuff. There are a few interesting additional muscles in the infraspinal region. Read More

J Shoulder Elbow Surg 2022 Aug 9. Epub 2022 Aug 9.

Oklahoma State University Medical Center, Department of Orthopaedic Surgery, Tulsa, OK, USA.

Background: Results produced from randomized controlled trials (RCTs) help guide clinical decision making and health policy. Therefore, it is essential that RCT outcomes -- including harms (eg, adverse events) --are adequately reported such that clinicians, patients, and policy makers are equipped with all necessary information to complete risk-benefit assessment of the RCT's intervention. Here, we evaluated the quality of reporting of harms (eg, adverse events) in RCTs cited as supporting evidence for recommendations in the American Academy of Orthopaedic Surgeons (AAOS) Management of Rotator Cuff Injuries Clinical Practice Guidelines (CPGs) using the CONSORT Extension for Harms Checklist. Read More

J Shoulder Elbow Surg 2022 Aug 9. Epub 2022 Aug 9.

Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.

Background: Large and massive rotator cuff tears are challenging for surgeons because of postoperative complications such as repaired site retears. Recently, collagen extracted from fish scales has gained more attention because fish byproducts are considered a safer collagen source compared to other animal-derived scaffolds. This study aimed to evaluate the biological efficacy of tilapia scale-derived collagen scaffolds for rotator cuff repair in rat models. Read More

J Shoulder Elbow Surg 2022 Aug 9. Epub 2022 Aug 9.

Department of Orthopaedic Surgery, University of Utah, Salt Lake City, UT, USA.

Background: Although muscle weakness and/or imbalance of the rotator cuff are thought to contribute to the development of shoulder instability, the association between muscular dysfunction and shoulder instability is not completely understood. The purpose of this study was to evaluate rotator cuff and deltoid muscle cross-sectional areas in different types of shoulder instability (anterior, posterior, and multidirectional instability (MDI)) and to determine the associations between muscular imbalance and shoulder instability direction.

Methods: Preoperative magnetic resonance images of patients with shoulder instability who subsequently underwent arthroscopic glenohumeral labral repair or capsular plication were evaluated. Read More

Int J Surg Case Rep 2022 Aug 9;97:107494. Epub 2022 Aug 9.

Department of Orthopedic Surgery, Clinical Research Development Unit of Shohada-e Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Physiotherapy Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Electronic address:

Introduction And Importance: Improper treatment of rotator cuff tear might result in progression of tear and deterioration of patient function. The rotator cuff tear can be managed conservatively in most cases however surgical treatment is inevitable in persistent patients.

Presentation Of Case: A 45-year-old woman presented to our clinic with shoulder pain and restricted range of motion following a fall from a height three months before the current presentation. Read More