Brachial Plexus Nerves

Question 0

Musculocutaneous Nerve

Answer 0

Motor - All muscles in anterior compartment of the arm

Sensory - Skin on lateral side of forearm

Question 1

Long Thoracic Nerve

Answer 1

Motor

Serratus Anterior

Question 2

Axillary Nerve

Answer 2

Motor - Deltoid, teres minor

Sensory - Skin over upper lateral part of arm

Question 3

Ulnar Nerve

Answer 3

Motor - All intrinsic muscles of the hand EXCEPT 3 thenar muscles and 2 lateral lumbricals; ALSO flexor carpi ulnaris and medial half of flexor digitorum profundus in the forearm

Sensory - skin over palmar surface of medial 1.5 digits ad associated palm and wrist; skin over dorsal surface of the medial 1.5 digits

Question 4

Radial Nerve

Answer 4

Motor - All muscles in posterior compartments of arm and forearm

Sensory - Skin on the posterior compartments of arm and forearm, lower lateral surface of arm, and dorsal lateral surface of the hand

Question 5

Median Nerve

Answer 5

Motor - All muscles in the anterior compartment of the forearm (flexor carpi radialis and lateral half of flexor digitorum profundus), 3 thenar muscles of the thumb, and 2 lateral lumbrical muscles

Sensory - Skin over palmar surface of the lateral 3 and one half digits and over the lateral side of the palm and middle of the wrist