Anatomy - leg and foot Flashcards
List the muscles in the anterior compartment of the leg
Tibialis anterior
Extensor hallucis longus
Fibularis tertius
Extensor digitorum longus
List the muscles in the lateral compartment of the leg
Fibularis longus
Fibularis brevis
List the muscles in the superficial posterior compartment of the leg
Gastrocnemius
Soleus
Plantaris
List the muscles in the deep posterior compartment of the leg
Tibialis posterior
Flexor digitorum longus
Flexor hallucis longus
(Popliteus)
Which nerve supplies muscles in the anterior compartment of the leg?
Deep fibular nerve
Which nerve supplies muscles in the lateral compartment of the leg?
Superficial fibular nerve
Which nerve supplies muscles in the posterior compartment of the leg?
Tibial nerve
Which fascia separates the anterior and lateral leg compartments?
Anterior crural intermuscular septum
What is the function of the popliteus muscle?
Laterally rotates the femur to “unlock” the knee joint
Which two muscles are present in the dorsum of the foot? What is their innervation?
Extensor digitorum brevis
Extensor hallucis brevis
Innervated by the deep fibular nerve
List the muscles present in the 1st (most superficial) layer of the plantar aspect of the foot
Abductor hallucis
Floexor digitorum
Abductor digiti minimi
List the muscles present in the 2nd layer of the plantar aspect of the foot
Quadratus plantae
4 lumbricals
List the muscles present in the 3rd layer of the plantar aspect of the foot
Flexor hallucis brevis
Adductor hallucis
Flexor digiti minimi brevis
List the muscles present in the 4th (deepest) layer of the plantar aspect of the foot
Plantar interossei muscles (x3)
Dorsal interossei muscles (x4)
Which nerves supply the muscles in the plantar aspect of the foot?
Medial and lateral plantar nerves
- branches of the tibial nerve
