LONG THORACIC NERVE (C5C6C7) Supplies: Serratus anterior muscle
- Carrying heavy objects
- Strapping the shoulder
- Limited brachial neuritis
Winging of the scapula when arms are stretched in front
SUPRASCAPULAR NERVE (C5C6)
Supplies: Supraspinatus and infraspinatus muscles.
Damaged by :
- [as for Long thoracic nerve (above)] Results in:
- Weakness of abduction of arm (supraspinatus)
- Weakness of external rotation of arm (infraspinatus).
AXILLARY NERVE (posterior cord) (C5C6) Supplies: Deltoid and teres minor muscles.
- Shoulder dislocation.
- Limited brachial neuritis.
- Weakness of abduction of shoulder between 15-90" and sensory loss over the outer aspect of the shoulder.
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