Posterior Leg Flashcards
Gastrocnemius
O: Popliteal surface of Femur (M & L condyles)
I: Calcaneal tuberosity via calcaneal tendon
Inn: Tibial N.
BS: Popliteal A.,Genicular Arteries
A: Plantarflex ankle, raise heels, flex leg at knee
Soleus
O: Posteroinferior Tibia, Soleal line of Tibia, Posterior Fibular Head
I: Calcaneal tuberosity via calcaneal tendon
Inn: Tibial N.
BS: Popliteal A., Posterior Tibial A., Fibular A.
A: Plantarflex ankle, steady leg on foot
Plantaris
O: Lateral supracondylar line of femur
I: Calcaneal tuberosity via Plantaris Tendon
Inn: Tibial N.
BS: Popliteal A. & Posterior Tibial A.
A: plantarflex ankle, flex leg at knee
Popliteus
**upside down
O: Posterosuperior Tibia
I: Lateral condyle of Femur, Lateral meniscus
Inn: Tibial N.
BS: Popliteal A. and Genicular Arteries
A: Unlocks knee, laterall rotates femur, flex leg at knee
Flexor Hallucis Longus
O: inferoposterior Fibula, interosseous membrane
I: Distal phalanx of 1st digit
Inn: Tibial N.
BS: Posterior Tibial A., Fibular A.
A: Flex great toe at all joints, plantarflex ankle, support arch
Flexor Digitorum Longus
O: posteromedial inferior Tibia
I: Distal Phalanx of lateral 4 digits
Inn: Tibial N.
BS: Posterior Tibial A.
A: Flex lateral 4 digits, plantar flex ankle, supports arch
Tibialis Posterior
O: Interosseous membrane, Posterior Tibia/ Fibula
I: Navicular, Cuboid, Cuneiform, 2-4 metatarsals (plantar side)
Inn: Tibial N.
BS: Anterior and Posterior Tibial Arteries, Fibular A.
A: Plantarflex ankle,invert foot, supports arch