Peripheral Nervous System

Question 1

This peripheral nerve is innervated by C5-C6, Innervates coracobrachialis, biceps brachia, and brachial.

Answer 1

Musculocutaneous Nerve

Will have loss of forearm flexion when supinated, and weakened supination

Question 2

This nerve has spinal cord segments C5-C6 to supply it, innervates the deltoid and teres minor.

Answer 2

Axillary nerve

loss of shoulder abduction, and weakened ER

Question 3

This nerve comes from C5, C6, C7, C8, and T1, innervates triceps, ancones, supinator, wrist, fingers, and thumb extensors.

Answer 3

Radial

will have loss of elbow, wrist, and finger extension

Question 4

What spinal cord segments supply the median nerve?

Answer 4

C6, C7, C8, T1

innervates pronators and flexors of distal UE

Question 5

This nerve comes from spinal cord segments C7, C8, and T1. Innervates the flexor carpi ulnaris, and flexor digitorum profundus.

Answer 5

Ulnar Nerve

(weakened ulnar deviation, and wrist/finger flexion

Question 6

This nerve comes from spinal cord segments L4-S3, innervates hamstrings and adductor magnus

Answer 6

Sciatic

weakened knee flexion, hip adduction, and loss of all muscle function blow knee

Question 7

This nerve comes from L2-L4 and innervates the quads, sartorial, iliac, and pectinous.

Answer 7

Femoral

weak nee extension, and hip flexion

Question 8

This nerve comes from L4-S3, innervates gastrocs, soleus, planters, polplieus, and tibias posterior.

Answer 8

Tibial Nerve

Loss of plantar flexion

Question 9

This nerve is innervated by L5-S2, innervates fibulas longs and braves.

Answer 9

Superficial fibular nerve (peroneal)

weakened eversion

Question 10

This nerve comes from L4-S2, innervates tibias anterior, extensor hallicus longs, and a bunch of other muscles on the anterior lower leg.

Answer 10

Deep fibular nerve

Loss of DF, and weakness of foot intrinsics