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Multidirectional instability of the shoulder in the athlete
Clinics in Sports Medicine
|July 1, 1983
Summary
Involuntary multidirectional shoulder instability is caused by inferior glenohumeral ligament laxity. Diagnosis relies on physical examination, with treatment focusing on muscle strengthening, followed by surgery if needed.
Area of Science:
- Orthopedics
- Sports Medicine
- Anatomy
Background:
- Involuntary multidirectional instability (MDI) of the shoulder is a complex condition.
- The inferior glenohumeral ligament (IGH) plays a crucial role in shoulder stability.
- Diagnosing MDI can be challenging for clinicians.
Purpose of the Study:
- To highlight the essential lesion in involuntary multidirectional instability of the shoulder.
- To emphasize the diagnostic importance of physical examination in MDI.
- To outline the treatment principles for MDI.
Main Methods:
- Review of the pathophysiology of shoulder instability.
- Emphasis on clinical diagnostic criteria.
- Description of conservative and surgical treatment options.
Main Results:
- Laxity of the inferior glenohumeral ligament is identified as the primary cause of MDI.
- Physical examination is the most critical diagnostic tool for MDI.
- Muscle strengthening is the primary treatment modality.
Conclusions:
- Effective management of MDI hinges on accurate diagnosis via physical examination.
- Conservative treatment, including targeted muscle strengthening, should be attempted first.
- Surgical intervention is reserved for cases unresponsive to conservative management after a sufficient trial period.