Leg

Question 1

extensor hallucis longus

Answer 1

action: dorsiflex ankle; extend 1st digit
innervation: deep fibular n
vasculature: anterior tibial a

Question 2

extensor digitorum longus

Answer 2

action: dorsiflex ankle; extend 2-5 digit
innervation: deep fibular n
vasculature: anterior tibial a

Question 3

fibularis tertius

Answer 3

action: dorsiflex ankle; evert foot
innervation: deep fibular n
vasculature: anterior tibial a

Question 4

fibularis longus

Answer 4

action: evert foot; weak plantar flexion of ankle
innervation: superficial fibular n
vasculature: branches of fibular a

Question 5

fibularis brevis

Answer 5

action: evert foot; weak plantarflexion of ankle
innervation: superficial fibular n
vasculature: branches of fibular a

Question 6

soleus

Answer 6

action: plantarflex ankle; raise heal to walk
innervation: tibial n
vasculature: posterior tibial a

Question 7

gastrocnemius

Answer 7

action: flex leg, plantarflex foot
innervation: tibial n
vasculature: posterior tibial a

Question 8

plantaris

Answer 8

action: flex leg; plantarflex foot
innervation: tibial n
posterior tibial a

Question 9

tibialis posterior

Answer 9

action: plantarflex; ankle invert foot
innervation: tibial n
vasculature: posterior tibial a

Question 10

flexor digitorum longus

Answer 10

action: flex digits 2-5, plantarflex ankle, supports long arch
innervation: tibial n
vasculature: posterior tibial a

Question 11

flexor hallucis longus

Answer 11

action: flex 1st digit; plantarflex ankle; support med long arch of foot
innervation: tibial n
vasculature: posterior tibial a

Question 12

popliteus

Answer 12

action: weakly flex knee; rotate femur on fixed tibia and unlocks leg; medially rotate tibia of unplanted limb
innervation: tibial n
vasculature: posterior tibial a

Question 13

tibialis anterior

Answer 13

action: dorsiflex ankle; invert foot
innervation: deep fibular n
vascular: anterior tibial n