The nervous system- Peripheral nervous system

Question 1

Axillary [Root, muscle compartment, muscle innervated]

Answer 1

R-C5-C6
MC-Posterior
MI-Deltoid and teres minor muscles; skin over deltoid and superior posterior aspect of arm

Question 2

Radial-[Root, muscle compartment, muscle innervated]

Answer 2

R-C5-T1
MC-Posterior
MI-Triceps brachii, anconeus, and extensor muscles of forearm; skin of posterior arm
and forearm, lateral two-thirds of dorsum of hand, and fingers over proximal and middle phalanges

Question 3

Musculocutaneous[Root, muscle compartment, muscle innervated]

Answer 3

R-C5-C7
MC-Anterior
MI-Coracobrachialis, biceps brachii, and brachialis muscles

Question 4

Ulnar[Root, muscle compartment, muscle innervated]

Answer 4

R-C8-T1
MC-Anterior
MI-Flexor carpi ulnaris, ulnar half of the flexor digitorum profundus, and most muscles
of the hand; skin of medial side of hand, little finger, and medial half of ring finger

Question 5

Median[Root, muscle compartment, muscle innervated]

Answer 5

R-C5-T1
MC-Anterior
MI-Flexors of forearm, except flexor carpi ulnaris: the ulnar half of the flexor
digitorum profundus, and some muscles of the hand (lateral palm); skin of
lateral two-thirds of palm of hand and fingers

Question 6

Iliohypogastric[Root, muscle compartment, muscle innervated]

Answer 6

R-L1
MC-Anterior
MI-Muscles of anterolateral abdominal wall; skin of inferior abdomen and buttock

Question 7

Femoral[Root, muscle compartment, muscle innervated]

Answer 7

R-L2-L4
MC-Posterior
MI-Largest nerve arising from the lumbar plexus, distributed to the flexor muscles of
hip joint and extensor muscles of knee joint, and to skin over anterior and medial
aspect of thigh and medial side of leg and foot

Question 8

Obturator[Root, muscle compartment, muscle innervated]

Answer 8

R-L2-L4
MC-Anterior
MI-Adductor muscles of hip joint; skin over medial aspect of thigh

Question 9

Gluteal (superior:inferior)[Root, muscle compartment, muscle innervated]

Answer 9

R-L4-L5 and S1: L5-S2
MC-Posterior
MI-Gluteus minimus, gluteus medius, and tensor fasciae latae muscles: Gluteus maximus muscle

Question 10

Sciatic[Root, muscle compartment, muscle innervated]

Answer 10

R-L4-S3
MC-Anterior/Posterior
MI-Actually two nerves—tibial and common fibular—bound together by common sheath
of connective tissue; it splits into its two divisions, usually at the knee (see below for
distributions); as it descends through the thigh, sends branches to hamstring muscles and the
adductor magnus

Question 11

Pudendal[Root, muscle compartment, muscle innervated]

Answer 11

R-S2-S4
MC-Anterior
MI-Muscles of perineum; skin of penis and scrotum in male and clitoris, labia majora, labia
minora, and vagina in female