Scapular Winging

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Scapular Winging by Mind Map: Scapular Winging

1. Primary

1.1. Muscle weakness (of scapular stabilizers)

2. Static

2.1. structural deformity of clavicle, spine, ribs

3. Dynamic

3.1. Long thoracic nerve injury

3.1.1. elevate scapula, move medial

3.1.2. effect: difficulty in elevating arm above 120 degree

3.2. Spinal accessory nerve injury

3.2.1. depress scapula

3.2.2. laterally rotated

3.2.3. before 90 degree abduction, winging appears

3.2.4. inability to shrug shoulder

4. Secondary

4.1. Pathology of GH joint