Thigh and Knee Muscle Actions + Innervations Flashcards
rectus femoris innervation
femoral nerve
rectus femoris action
knee extension
hip flexion
vastus lateralis innervation
femoral nerve
vastus lateralis action
knee extension
vastus intermedius innervation
femoral nerve
vastus intermedius action
knee extension
vastus medialis innervation
femoral nerve
vastus medialis action
knee extension
sartorius innervation
femoral nerve
sartorius action
hip flexion
hip abduction
hip external rotation
knee flexion
iliopsoas innervation
iliacus: femoral nerve
psoas: ventral rami L1-L3 of lumbar plexus
iliopsoas action
hip flexion
hip external rotation
trunk flexion at hip
pectineus innervation
femoral nerve
pectineus action
hip flexion
hip adduction
obturator externus innervation
obturator nerve
obturator externus action
hip external rotation
gracilis innervation
obturator nerve
gracilis action
hip adduction
knee flexion
adductor longus innervation
obturator nerve
adductor longus action
hip adduction
hip internal rotation
adductor brevis innervation
obturator nerve
adductor brevis action
hip adduction
hip internal rotation
adductor magnus innervation
adductor part: obturator nerve
hamstring part: tibial division of sciatic nerve
adductor magnus action
adductor part: hip adduction + internal rotation
hamstring part: hip extension
biceps femoris innervation
long head: tibial division of sciatic nerve
short head: common fibular division of sciatic nerve
biceps femoris action
long head: hip extension
both heads: flexion and external rotation at knee
semitendinosus innervation
tibial division of sciatic nerve
semitendinosus action
hip extension
flexion + internal rotation at knee
semimembranosus innervation
tibial division of sciatic nerve
semimembranosus action
hip extension
flexion + internal rotation at knee
