Muscle Innervations

Question 1

Iliacus

Answer 1

O: iliac fossa, ala of the sacrum
I: lesser trochanter
A: flexes the thigh

Question 2

Psoas major

Answer 2

O: Transverse process of T12-L5
I: lesser trochanter of the femur
A: flexes thigh, flexes trunk laterally

Question 3

Quadratics lumborum

Answer 3

O: iliac crust and lumbar fascia
I: transverse processes of L1-L3
A: flexes vertebral column laterally

Question 4

Musculocutaneous nerve

Answer 4

Biceps brachii, brachialis

Question 5

Median Nerve

Answer 5

Pronator teres, flexor carpi radialis, Palma rus longus

Question 6

Ulnar Nerve

Answer 6

Flexor carpi ulnaris, flexor digitorum profundus, lumbricals

Question 7

Axillary Nerve

Answer 7

Deltoid, teres minor

Question 8

Radial Nerve

Answer 8

Triceps brachii, brachioradialis, supinator

Question 9

Femoral Nerve

Answer 9

Iliacus, sartorius, pectineus

Question 10

Obturator Nerve

Answer 10

Pectineus , gracilis, adductor longus

Question 11

Tibial Nerve

Answer 11

Biceps femoris long head, gastrocnemius, tibialis posterior

Question 12

Common fibula Nerve

Answer 12

Biceps femoris short head, fibularis longus, fibularis brevis