Muscles of the Posterior Leg Flashcards
What is the blood supply, innervation, and action of the gastrocnemius muscle?
posterior tibial artery
fibular artery
tibial nerve
flexes knee, plantar flexes foot
Where does gastrocnemius insert?
posterior aspect of calcaneus via tendo calcaneus
What is the blood supply, innervation, and action of the soleus muscle?
posterior tibial artery
fibular artery
tibial nerve
plantar flexes foot
Where does the soleus insert?
posterior aspect of calcaneus via tendo calcaneus
What is the blood supply, innervation, and action of the plantaris muscle?
posterior tibial artery
fibular artery
tibial nerve
flexes leg, plantar flexes foot
Where does the plantaris insert?
posterior surface of calcaneus
What is the blood supply, innervation, and action of the popliteus muscle?
posterior tibial artery
fibular artery
tibial nerve
flexes by unlocking knee and rotates leg medially
Where does the popliteus insert?
upper posterior side of tibia
What is the blood supply, innervation, and action of the flexor hallucis longus muscle?
posterior tibial artery
fibular artery
tibial nerve
plantar flexes foot, flexes distal phalanx of big toe
Where does the flexor hallucis longus insert?
base of distal phalanx of big toe
What is the blood supply, innervation, and action of the flexor digitorum longus muscle?
posterior tibial artery
fibular artery
tibial nerve
flexes lateral four toes, plantar flexes foot
Where does the flexor digitorum longus insert?
distal phalanges of lateral four toes
What is the blood supply, innervation, and action of the tibialis posterior muscle?
posterior tibial artery
fibular artery
tibial nerve
plantar flexes and inverts foot
Where does the tibialis posterior insert?
tuborisity of navicular, sustentacula tali, three cuneiforms, cuboid, bases of metatarsals 2-4
