ANATOMY - Leg and Knee Flashcards
name the 4 muscles in the anterior compartment of the the leg
tibialis anterior
extensor digitorum longus
extensor hallucis longus
fibularis tertius
what is the role of the muscles in the anterior compartment of the leg?
dorsiflexion of the ankle
extensors of the toes
nerve supply of the anterior muscles of the leg
fibular nerve (L4,L5)
2 muscles of the lateral compartment of the leg
fibularis longus
fibularis brevis
what is the role of the muscles in the lateral compartment of the leg?
evert foot
weakly plantarflex ankle
2 groups in the posterior compartment of the leg
superficial and deep
3 muscles in the superficial group of the posterior compartment of the leg
gastrocnemius
soleus
plantaris
which posterior leg muscle fo 5-10% of us not have
plantaris
nerve supply of the lateral compartment of the leg
superficial fibular nerve (L5,S1,S2)
role of the superficial group of posterior leg muscles
plantar flexors of ankle
nerve supply of superficial group of posterior leg muscles
tibial nerve
4 muscles of deep group of posterior compartment of leg
popliteus
flexor hallucis longus
flexor digitorum longus
tibialis posterior
nerve supply of deep group of posterior leg muscles
tibial nerve
role of deep group of posterior leg muscles
flexors of toes and plantarflexors of ankle
what type of joint is the knee and what movement does this allow?
synovial hinge joint
flexion-extension