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Brachial Plexus Trunk - Upper Trunk
Innervation
Muscles
- Biceps brachii
- Brachialis
- Brachioradialis
- Coracobrachialis
- Deltoid
- Extensor carpi radialis (longus and brevis) (upper and middle trunks)
- Flexor carpi radialis (upper and middle trunks)
- Infraspinatus
- Latissimus dorsi (all trunks)
- Pectoralis major (clavicular head)
- Pectoralis minor
- Pronator teres
- Subclavius
- Subscapularis
- Supraspinatus
- Teres major
- Teres minor
- Triceps (all trunks)