Origina
What is the origin of the vastus lateralis?
lateral lip of the linea aspera; gluteal tuberosity; greater trochanter
Pes anserinus
What is the action of the rectus femoris?
Extend the knee and flex the hip
What is the innervation of the sartorius?
femoral
What is the action of the vastus medialis?
extend the knee
What is the origin of the popliteus?
lateral condyle of the femur
distal phalanx of first toe
What is the action of the popliteus?
medially rotate the flexed knee and flex the knee
What is the innervation of the semimembranosus?
Sciatic (tibial branch)
What is the origin of the fibularis longus?
head of the fibula and proximal two-thirds of lateral fibula
Gluteal surface of the ilium, between the posterior and anterior gluteal lines
What is the insertion of tibialis posterior?
All five tarsal bones and bases of the second through fourth metatarsals.
What is the action of the extensor hallucis longus?
extend the first toe, dorsiflexion, inversion
What is the innervation of the plantaris?
tibial
Deep Fibular
What is the origin of the tibialis anterior?
lateral condyle of tibia; proximal, lateral surface of the tibia, and interosseous membrane.
What is the insertion of the adductor magnus?
medial lip of the linea aspera and adductor tubercle.
What is the action of the lumbricals?
flex the proximal phalanges of the 2nd-5th toes at MTP joints and extend the middle and distal phalanges of the 2nd-5th toes at the ITP joints
What is the innervation of the gluteus maximus?
inferior gluteal
What are the actions of the TFL?
flex the hip, medially rotate the hip, and abduct the hip
What is the origin of the flexor digitorum brevis?
medial process of calcaneus and plantar aponeurosis
What is the insertion of the quadratus plantae?
posterior, lateral aspect of flexor digitorum longus tendon
What are the actions of the piriformis?
laterally rotate the hip, abduct the hip
What is the innervation of the obturator internus?
sacral plexus
What is the innervation of the adductor magnus?
obturator and sciatic