muscles of the leg and foot Flashcards
any tendon that crosses anterior to either malleolus will?
at least dorsiflex the foot
Any tendon that crosses posterior to either
malleolus will
at least plantar flex the foot
Any muscle that has the term Tibialis in its name will
at least invert the foot.
Any muscle that has the term Fibularis in its name will
at least evert the foot
how are the leg muscles compartamenalized?
-anterior
-lateral
-superficial posterior compartment
-deep posterior compartment
what is the deep fascia that invests the leg?
Crural fascia
anterior leg muscles
-Tibialis anterior
-Extensor Hallucis longus
-Extensor digitorum longus
-fibularis tertius m.
anterior leg muscles are all innervated by the?
deep fibular n.
anterior leg muscle actions
dorsiflexors of the ankle and extensors of the toes
tibialis anterior m. 2nd action
invert foot
extensor hallucis longus 2nd action
extend hallux
extensor digitorum longus m. 2nd action
extend digits 2-5
fibularis tertius 2nd action
evert foot
lateral leg muscles
fibularis longus m
fibularis brevis m
lateral leg muscles innervation
superficial fibular nerve
actions of the lateral leg muscles
plantar flexor of ankle and eversion of the foot
posterior leg muscles (superficial)
gastrocnemius
soleus
plantaris
posterior leg muscles (superficial) innervation
tibial nerve
posterior leg muscles (superficial) action
plantar flexors of the ankle
gastrocnemius and plantaris also?
flex the knee
where do the superficial posterior leg muscles attach?
all come down and attach to the calcaneal tendon
what are the deep posterior leg muscles?
-popliteus
-tibialis posterior
-flexor hallucis longus
-flexor digitorum longus
what are all of the deep posterior leg muscles innervated by?
tibial nerve
what is the general action of the deep posterior leg muscles?
plantar flexors and flexors of the toes