-
Musculocutaneous nerve
cord:
compartment:
motor to:
sensory to:
- lateral cord
- anterior (flexor)
- motor to muscles in anterior arm
- sensory to skin on lateral forearm
-
Axillary nerve
cord:
motor to:
sensory to:
- Posterior cord
- Motor to deltoid
- Sensory from skin over deltoid
-
Radial nerve
cord:
compartment:
motor to:
sensory to:
If loss:
- Posterior cord
- Posterior (extensor)
- Motor to muscles of posterior arm, posterior forearm
- Sensory from skin on the back of the arm, forearm and hand
- no elbow, wrist, finger, and
- thumb extension
-
Medial nerve
cord:
compartment:
motor to:
sensory to:
- Medial and lateral cord
- anterior (flexor)
- Motor to muscles in forearm (except FCU), thenar group of muscles
- Sensory from lateral 3-1/2 fingers on palm
-
Ulnar nerve
Cord:
Muscles:
Motor to:
Sensory to:
- Medial cord
- interosseous muscles, hypothenar muscles
- Motor to intrinsic muscles of hand (except thenar group), FCU in forearm
- Sensory from medial 1-1/2 fingers on palm
- "funny bone"
-
Brachial Plexus Schema
5 parts
- (Randy Travis Drink Cold Beer)
- 5 Roots (C5,6,7,8,T1)
- 3 Trunks (Superior, Middle, Inferior)
- 6 Drunks (3 anterior, 3 posterior)
- 3 Cords (Lateral, Posterior, Medial)
- 5 Terminal Branches (Mus, Ax, R, M, U)
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