Anatomy Exam Anatomy Muscles of the Lower Limb 1

Question 1

Which muscle is the primary hip flexor?

Accepted Answer

Iliopsoas

Answer

Gluteus maximus

Answer

Tensor fasciae latae

Answer

Sartorius

Question 2

What is the primary action of the gluteus maximus?

Accepted Answer

Hip extension

Answer

Hip flexion

Answer

Hip abduction

Answer

Hip internal rotation

Question 3

Which muscles make up the quadriceps femoris group?

Accepted Answer

Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius

Answer

Biceps femoris, semitendinosus, semimembranosus, gracilis

Answer

Adductor longus, adductor brevis, adductor magnus, pectineus

Answer

Gastrocnemius, soleus, plantaris, popliteus

Question 4

Which nerve innervates the hamstring muscles?

Accepted Answer

Sciatic nerve

Answer

Femoral nerve

Answer

Obturator nerve

Answer

Saphenous nerve

Question 5

What is the origin of the rectus femoris?

Accepted Answer

Anterior inferior iliac spine

Answer

Lesser trochanter

Answer

Ischial tuberosity

Answer

Greater trochanter

Question 6

Which muscle is the primary plantarflexor of the foot?

Accepted Answer

Gastrocnemius

Answer

Tibialis anterior

Answer

Peroneus longus

Answer

Extensor digitorum longus