Nerve lesions and actions affected

Question 1

Superior Gluteal Nerve (at its origin) (3)

Answer 1

Thigh: Flexion, abduction, medial rotation.

Muscles: Gluteus minimus, medius, TFL

Question 2

inferior gluteal nerve (at its origin) (2)

Answer 2

Thigh: Extension and lateral rotation.

Muscle: Gluteus Maximus

Question 3

femoral nerve (at the inguinal ligament) (5)

Answer 3

Thigh: Flexion, abduction, adduction, lateral rotation. Leg extension.

Muscles: Quadriceps, pectineus, sartorius

Question 4

obturator nerve (at its origin) (4)

Answer 4

Thigh: flexion, adduction, lateral rotation Leg: Flexion

Muscles: 1/2 adductor magnus, gracilis, obturator externus, adductor longus, adductor brevis

Question 5

sciatic nerve (at its origin) (2)

Answer 5

Thigh extension. Leg flexion

muscles: biceps femoris, semitendinosus, semimebranosus

Question 6

common fibular nerve (at its origin) (3)

Answer 6

Dorsiflexion, inversion, eversion

Muscles:

Question 7

medial plantar nerve (at its origin) (3)

Answer 7

1st toe abduction and flexion, 2nd toe flexion

Muslces: abductor hallucis, flexor digitorum brevis, flexor halluvis brevis, 1st lumbrical

Question 8

suprascapular nerve (at its origin) (2)

Answer 8

Arm abduction and lateral rotation

Muscles: infraspinatus, supraspinatus

Question 9

lateral pectoral nerve (4)

Answer 9

Arm flexion, adduction, medial rotation. Scapular protraction

Muscles: pectoralis major, pectoralis minor

Question 10

musculocutaneous nerve (at its origin) (4)

Answer 10

Arm flexion, adduction. Forearm flexion, supination

Muscles: Biceps Brachii, brachialis, coracobrachialis

Question 11

axillary nerve (5)

Answer 11

Arm flexion extension, abduction, lateral and medial rotation

Muscles: deltoid, teres minor

Question 12

radial nerve (at its origin) (4)

Answer 12

Arm extension. Forearm flexion, extension, supination

Muscles: posterior forearm

Question 13

radial nerve (at the spiral groove) (3)

Answer 13

Forearm flexion, extension, forearm flexion, supination

Question 14

median nerve (at its origin) (4)

Answer 14

Forearm flexion, pronation. Wrist flexion. Thumb flexion

Muscles: anterior forearm

Question 15

ulnar nerve (at its origin) (3)

Answer 15

Wrist flexion, adduction, 4th digit flexion

Muscles anterior forearm and hand

Question 16

ulnar nerve (at the wrist) (3)

Answer 16

5th digit abduction, 1st digit abduction, thumb adduction