Nonoperative Rehabilitation for Shoulder Instability

The goal of nonoperative rehabilitation for shoulder instability is to restore pain-free, normal motor control by employing tailored techniques applied appropriately and at the right time. Effective treatment relies on accurate clinical diagnosis, identification of structural abnormalities, and recognition of movement pattern issues to create personalized rehabilitation plans.
Overview: Shoulder stability is largely dependent on dynamic muscular control. Effective rehabilitation requires precise diagnosis, identification of structural issues, and addressing abnormal movement patterns. A multidisciplinary approach ensures sustainable outcomes.
Assessment: Diagnosis involves evaluating posture, core stability, scapular control, and muscle function, alongside structural and psychosocial factors. The Stanmore classification helps categorize instability types (traumatic, atraumatic, or muscle-pattern related), guiding treatment strategies.
Key Muscles: Shoulder stability is maintained by three groups:
- Scapular Muscles (e.g., trapezius, rhomboids, serratus anterior).
- Humeral Muscles (e.g., pectoralis major, latissimus dorsi).
- Rotator Cuff (RC) Muscles: Ensure joint stability through synchronized movement.
Rehabilitation Approach:
- Early Stage: Focus on pain relief, restoring motor control, and addressing apprehension. Closed-chain exercises are recommended for co-contraction and proprioception.
- Scapular Muscle Strengthening: Target specific imbalances, incorporating exercises like "push-up plus" for serratus anterior activation.
- Rotator Cuff Training: Gradual strengthening through supported exercises, progressing to task-specific activities.
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Adjunct Therapies: Techniques like kinesiology taping, biofeedback, and functional electrical stimulation enhance motor control, especially in patients with persistent dysfunction.
The goal is to restore pain-free, confident movement while minimizing recurrence through individualized and progressive rehabilitation.
Reference
Jaggi A, Alexander S. Rehabilitation for Shoulder Instability - Current Approaches. Open Orthop J. 2017 Aug 31;11:957-971. doi: 10.2174/1874325001711010957. PMID: 28979601; PMCID: PMC5611703.