muscular compartments of the leg

Question 1

ankle joint movements

Answer 1

plantarflexion/dorsiflexion; inversion/exversion

Question 2

gastrocnemius

Answer 2

(posterior compartment of leg) powerful superficial, 2 headed muscle in the back part of the lower leg (2 big bellies)

Question 3

proximal attachment of gastronemius

Answer 3

superior to posterior side of femoral condyles

Question 4

distal attachment of gastronemius

Answer 4

calcaneous (the heel)

Question 5

action of gastronemius

Answer 5

plantarflexes foot; flexes knee

Question 6

innervation of gastronemius

Answer 6

tibial n

Question 7

blood supply of gastronemius

Answer 7

posterior tibial a

Question 8

soleus

Answer 8

(posterior compartment of leg) deep to gastronemius

Question 9

proximal attachment of soleus

Answer 9

head of fibula; medial border of tibia

Question 10

distal attachment of soleus

Answer 10

calcaneous (the heel)

Question 11

action of soleus

Answer 11

plantarflexes foot

Question 12

innervation of soleus

Answer 12

tibial n

Question 13

blood supply of soleus

Answer 13

posterior tibial a

Question 14

deep posterior compartment of leg

Answer 14

deep muscles

Question 15

proximal attachment of deep muscles

Answer 15

posterior surface of tibia and fibula

Question 16

distal attachment of deep muscles

Answer 16

inferior side of digits

Question 17

action of deep muscles

Answer 17

flexes toes

Question 18

innervation of deep muscles

Answer 18

tibial n

Question 19

blood supply of deep muscles

Answer 19

posterior tibial a

Question 20

proximal attachment of anterior compartment of leg

Answer 20

anterior surface of tibia and fibula

Question 21

distal attachment of anterior compartment of leg

Answer 21

superior surface of ankle and foot

Question 22

action of anterior compartment of leg

Answer 22

dorsiflexion of foot

Question 23

innervation of anterior compartment of leg

Answer 23

deep fibular n

Question 24

blood supply of anterior compartment of leg

Answer 24

anterior tibial a

Question 25

proximal attachment of lateral compartment of leg

Answer 25

fibula

Question 26

distal attachment of lateral compartment of leg

Answer 26

lateral side of ankle

Question 27

action of lateral compartment of leg

Answer 27

eversion of the foot

Question 28

innervation of lateral compartment of leg

Answer 28

superficial fibular n

Question 29

blood supply of lateral compartment of leg

Answer 29

fibular a

Question 30

CLINICAL: “steppage gait”

Answer 30

common fibular nerve passes superficially around fibular neck and can be severed by minor injuries; affects the lateral and anterior compartments of the leg, toes can’t be dorsiflexion during knee flexion, exaggerated during the swing phase