ORIGIN
posterior medial and lateral condyles of femur
What is the origin of the gastroc?
1st (medial) cuneiform and 1st metatarsal
What is the insertion of the anterior tibialis?
actions of the peroneus longus and peroneus brevis
What is eversion and plantarflexion?
Superficial peroneal (fibular) nerve
What are the peroneus (fibularis) longus and brevis innervated by?
O: posterior interosseus membrane, tibia, and fibula
I: posterior calcaneus via Achilles tendon
A: ankle PF
N: tibial nerve
What is the SOLEUS?
proximal lateral tibia and interosseous membrane
What is the origin of the anterior tibialis?
posterior calcaneus via Achilles tendon
What is the insertion of the gastroc and soleus?
actions of the gastroc
What is knee flexion and plantar flexion?
Anterior tib, extensor digitorum longus, extensor digitorum brevis, and extensor hallucis longus
What are the muscles innervated by the DEEP PERONEAL (FIBULAR) NERVE?
O: proximal lateral tibia, interosseous membrane
I: medial cuneiform and 1st metatarsal
A: ankle DF, inversion
N: deep peroneal
What is the ANTERIOR TIBIALIS?
head of fibula and interosseous membrane
What is the origin of the peroneus longus?
dorsum of the distal phalanx of the 4 lesser toes
What is the insertion of the extensor digitorum longus (and brevis)?
muscles that do dorsiflexion
What are the anterior tibialis, extensor digitorum longus and extensor hallucis longus?
The most common lower LE nerve; innervation for mm. in the posterior LE
What is the tibial nerve?
O: interosseous membrane, adjacent tibia and fibula
I: navicular, most tarsals and metatarsals
A: ankle PF and inversion
N: tibial
What is the POSTERIOR TIBIALIS?
origin of the extensor hallucis longus
What is the proximal anterior fibula and interosseous membrane?
plantar surface on the base of the distal phalanx of the big toe
What is the insertion of the flexor hallucis longus?
actions of the extensor hallucis longus
What is extending the big toe MTP/IP, dorsiflexion, and inversion?
Deep peroneal nerve
What is the innervation for the anterior tib, extensor digitorum longus, extensor digitorum brevis, and extensor hallucis longus?
O: posterior fibula and interosseous membrane
I: plantar surface on base of distal phalanx of great toe
A: flexes big toe, ankle PF and inversion
N: tibial
What is the FLEXOR HALLUCIS LONGUS?
lateral calcaneus and interosseus talocalcaneal ligament
What is the origin of the extensor digitorum brevis?
insertion of the peroneus (fibularis) brevis
What is the lateral tuberosity on the base of the 5th metatarsal?
muscles that perform plantarflexion
What are the peroneus longus and brevis, posterior tibialis, gastroc, soleus, flexor hallucis longus, and flexor digitorum longus?
Tibial nerve
What is the innervation for the posterior tib, flexor digitorum longus, flexor hallucis longus, gastroc, and soleus?
O: proximal anterior fibula, interosseous membrane, and lateral condyle of tibia
I: dorsum of distal phalanx of 4 lesser toes
A: ankle DF, extension
N: deep peroneal
What is the EXTENSOR DIGITORUM LONGUS?