Overview of Leg

Question 1

Superficial muscles of the gluteal region?

Answer 1

gluteus maximus, gluteus medius, gluteus minimus, tensor fascia latae

Question 2

Action of superficial muscles of gluteal region?

Answer 2

extensors, abductors and medial rotators of thigh

Question 3

Innervation of superficial gluteal muscles?

Answer 3

innervated by gluteal nerves
gluteus maximum = inferior gluteal
all others = superior gluteal

Question 4

Deep muscles of the gluteal region?

Answer 4

piriformis, obturator internus, gemelli and quadratus femoris

Question 5

Action of deep muscles of the gluteal region?

Answer 5

lateral rotators of thigh and hip stabilisers

Question 6

Innervation of deep muscles of the gluteal region?

Answer 6

nerves from sacral plexus

Question 7

Nerves that enter/exit pelvis via the gluteal region?

Answer 7

Sciatic, pudendal, posterior cutaneous nerve of the thigh

Question 8

Anterior compartment of the thigh flexors?

Answer 8

pectineus, iliopsoas, sartorius

Question 9

Anterior compartment of the thigh extensors?

Answer 9

Quadriceps femoris group
Rectus femoris
Vastus lateralis, intermedius and medialis

Question 10

Innervation of the anterior compartment of the thigh?

Answer 10

all femoral nerve (L2, L3, L4)

except psoas major (L1,L2,L3)

Question 11

Action of medial compartment of the thigh?

Answer 11

Adductors of the thigh

Question 12

Muscles of the medial compartment of the thigh?

Answer 12

adductor longus, adductor brevis, adductor magnus, gracilis, obturator externus

Question 13

Innervation of muscles of the medial compartment of the thigh?

Answer 13

all obturator nerve (L2, L3, L4)

hamstring part of adductor magnus (tibial nerve)

Question 14

Action of posterior compartment of the thigh?

Answer 14

extensors of thigh & flexors of leg

Question 15

Muscles of the posterior compartment of the thigh?

Answer 15

semitendinosus, semimembranosus & biceps femoris

THE HAMSTRINGS

Question 16

Innervation of the posterior compartment of the thigh?

Answer 16

all tibial division of sciatic nerve (L5, S1, S2)

short head biceps femoris (common fibular division of sciatic)

Question 17

Anterior compartment of the leg action?

Answer 17

dorsiflexors of ankle & extensors of toes

Question 18

Anterior compartment of the leg muscles?

Answer 18

tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis tertius

Question 19

Innervation of anterior compartment of the leg?

Answer 19

all deep fibular nerve (L4, L5)

Question 20

Lateral compartment of the leg action?

Answer 20

evert foot & weakly plantarflex ankle

Question 21

Muscles of the lateral compartment of the leg?

Answer 21

fibularis longus, fibularis brevis

Question 22

Innervation of the lateral compartment of the leg?

Answer 22

all superficial fibular nerve (L5, S1, S2)

Question 23

Posterior compartment of the leg superficial group action?

Answer 23

plantarflexors of ankle

Question 24

Posterior compartment of the leg superficial group muscles?

Answer 24

gastrocnemius, soleus, plantaris

Question 25

Posterior compartment of the leg superficial group innervation?

Answer 25

all tibial nerve (S1, S2)

Question 26

Posterior compartment of the leg deep group innervation?

Answer 26

tibial nerve

Question 27

Posterior compartment of the leg deep group action?

Answer 27

flexors of toes & plantarflexors of ankle

Question 28

Posterior compartment of the leg deep group muscles?

Answer 28

popliteus, flexor hallucis longus, flexor digitorum longus, tibialis posterior

Question 29

Describe extension and flexion of the hip?

Answer 29

Flexion involves bringing straight leg forward

Extension involves bringing straight leg backwards

Question 30

Describe flexion and extension of the knee

Answer 30

Flexion involves bringing lower leg backwards

Extension involves bringing knee back to normal standing position