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Scapular dyskinesis and its relation to shoulder pain
1Medical Director, Lexington Sports Medicine Center, Lexington, KY 40504, USA.
Summary
Scapular dyskinesis, an abnormal scapular motion, often accompanies shoulder injuries due to muscle activation issues. Diagnosis via physical exam guides treatment for improved shoulder function.
Area of Science:
- Orthopedics
- Sports Medicine
- Biomechanics
Background:
- Scapular dyskinesis involves altered scapula position or motion during shoulder movement.
- It frequently occurs with shoulder joint injuries, stemming from disrupted scapular muscle activation.
- This condition can worsen functional deficits by impairing the scapula's role in shoulder mechanics.
Purpose of the Study:
- To define scapular dyskinesis and its clinical significance in shoulder injuries.
- To emphasize its role as a nonspecific indicator of shoulder dysfunction.
- To outline diagnostic and therapeutic approaches.
Main Methods:
- Literature review and clinical observation synthesis.
- Physical examination techniques for identification and classification.
- Analysis of kinetic chain-based rehabilitation principles.
Main Results:
- Scapular dyskinesis is a common finding in shoulder injuries.
- It results from impaired scapular stabilizer muscle function.
- No single dyskinesis pattern correlates with a specific shoulder diagnosis.
Conclusions:
- Scapular dyskinesis is a nonspecific response to shoulder dysfunction.
- Clinical suspicion and physical examination are key for diagnosis.
- Treatment focuses on addressing underlying causes and muscle retraining via rehabilitation protocols.