muscles of the posterior compartement of leg Flashcards
gastrocnemius origin
medial and lateral condyles of femur
gastrocnemius insertion
calcaneus
gastrocnemius action
plantarflexes ankle, flexes knee
gastrocnemius nerve supply
tibial nerve
tibial nerve sensory area(s)
posterior leg, lateral surface of foot, sole of foot
plantaris origin
posterior femur above lateral condyle
plantaris insertion
calcaneous
plantaris action
plantarflexes ankle, flexes knee
plantaris nerve supply
tibial nerve
soleus origin
posterior tibia + fibula, interossious membrane
soleus insertion
calcaneous
soleus action
plantarflexes ankle
soleus nerve supply
tibial nerve
what muscles make up the ‘achilles’ heel
gastrocnemius, plantaris, soleus
flexor digitorum longus origin
posterior tibia + fibula, interosseous membrane
flexor digitorum longus insertion
distal philangies of digits 2-5
flexor digitorum longus action
plantar flexes and inverts ankle, flexes digits 2-5
flexor digitorum longus nerve supply
tibial nerve
flexor hallicus longus origin
posterior tibia + fibula, interossious membrain
flexor hallicus longus insertion
distal phalinx of big toe (1st distal phalanx)
flexor hallicus longus action
plantar flexes and inverts ankle, flexes first digit (big toe)
flexor hallicus longus nerve supply
tibial nerve
tibialis posterior origin
posterior tibia + fibula, interossious membrain
tibialis posterior insertion
metetarsals 2-4
tibialis posterior action
plantar flexes + inverts ankle
tibialis posterior nerve supply
tibial nerve
