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Updated: Jan 27, 2026

Rat Model of Adhesive Capsulitis of the Shoulder
Published on: September 28, 2018
Arthroscopic Capsular Release for Idiopathic Adhesive Capsulitis.
Lijkele Beimers1, George A C Murrell1
1Orthopaedic Research Institute, St George Hospital, Level 2, 4-10 South Street, Kogarah NSW 2217, Australia. E-mail address for L. Beimers: orthopeed@gmail.com. E-mail address for G.A.C. Murrell: murrell.g@ori.org.au.
This study details an arthroscopic capsular release technique for idiopathic adhesive capsulitis, effectively improving shoulder motion and reducing pain. The minimally invasive approach utilizes multiple portals for a comprehensive 360° release, offering a promising solution for frozen shoulder patients.
Area of Science:
- Orthopedic Surgery
- Arthroscopy
- Shoulder Joint Procedures
Background:
- Idiopathic adhesive capsulitis, commonly known as frozen shoulder, significantly restricts shoulder mobility and causes pain.
- Conservative treatments are often insufficient for severe cases, necessitating surgical intervention.
Purpose of the Study:
- To describe and evaluate a specific arthroscopic capsular release technique for treating idiopathic adhesive capsulitis.
- To demonstrate the efficacy of this technique in improving range of motion and alleviating pain.
Main Methods:
- The described arthroscopic capsular release involves a 360° approach using two posterior and one anterior portal.
- Key steps include patient positioning in beach-chair position, routine glenohumeral arthroscopy, and precise portal establishment.
- The technique involves releasing the rotator cuff interval, subscapularis tendon, and anterior-inferior capsule, followed by posterior-inferior capsular release and gentle arm manipulation.
Main Results:
- The arthroscopic capsular release technique was successfully performed on 49 shoulders in 43 patients diagnosed with idiopathic adhesive capsulitis.
- The procedure resulted in improved shoulder range of motion and reduced pain levels.
Conclusions:
- Arthroscopic capsular release using the described technique is an effective treatment for idiopathic adhesive capsulitis.
- This minimally invasive approach offers significant improvements in shoulder function and pain relief for affected patients.
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