Bracial plexus

Musculocutaneous

Anterior arm

-              Coracobrachialis

-              Biceps

• Brachialis

Axillary

Deltoid, teres minor

Radial

Posterior arm (all extensors of arm), Dorsum of hand (thumb side)

*Mostly forearm

Median

Anterior muscles of forearm and hand (flexors of fingers and wrist)

Ulnar

Anterior forearm and hand (pinky side)

*mostly hand

Dorsal Scapular

Levator scapulae, rhomboids

Long thoracic

Serratus anterior

Suprascapular

Supraspinatus, infraspinatus

Lateral pectoral

Mostly pec major, some pec minor

Median pectoral

Mostly pec minor, some pec major

Medial Cutaneous nerve of forearm

Medial dermatomes of forearm

Medial Cutaneous nerve of arm

Medial dermatomes of arm

Upper scapular

Subscapularis

thoracodorsal

Latissimus dorsi

Lower subscapular

Subscapularis, teres major