Lower Limb Muscles Flashcards
what muscle is the primary flexor of the hip?
illiacus
what muscles flex the hip?
illiacus and psoas major
action of illiacus
primary flexor of hip
action of psoas major
flex hip
what muscle extends and abducts thigh
gluteus maximus
what muscles abduct and medially rotate the thigh
gluteus medius and minimus
what muscle tightens iliotibial tract to provide stability for knee
tensor fasciae latae
action of gluteus maximus
extends and abducts thight
action of gluteus medius and gluteus minimus
abduct and medially rotate thigh
action of tensor fasciae latae
tightens iliotibial tract to provide stability for knee
what nerve innervates the illiacus
femoral nerve
what nerves innervates psoas major
anterior lumbar spinal nerves
what nerve innervates gluteus maximus?
inferior gluteal nerve
superior gluteal nerve innervates what muscles?
gluteus medius, gluteus minimus, tensor fasciae latae
what nerve innervates gluteus meduis and minimus?
superior gluteal nerve
what nerve innervates tensor fasciae latae?
superior gluteal nerve
what muscles laterally rotate the thigh?
piriformis, gemellus superior, obturator intermus, obturator externus, gemellus inferior, quadratus femoris
action of piriformis
laterally rotates thigh
action of gemellus superior
laterally rotates thigh
action of obturator intermus
laterally rotates thigh
action of obturator externus
laterally rotates thigh
action of gemellus inferior
laterally rotates thigh
action of quadratus femoris
laterally rotates thigh
what muscles adduct the thigh
pectineus, adductor longus, adductor brevis, adductor magnus, gracilis
what muscles adduct and FLEX thigh
pectineus, adductor longus, adductor brevis, gracilis
what muscle adducts and extends thigh
adductor magnus
action of pectineus
adducts and flexes thigh
action of adductor longus
adducts and flexes thigh
action of adductor brevis
adducts and flexes thigh
action of adductor magnus
adducts and EXTENDS thigh
action of gracilis
adducts and flexes thigh
what muscles extend the knee?
rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
what muscle extends knee and flexes thigh
rectus femoris
what muscle aids in knee and hip flexion
sartorius
action of rectus femoris
extends knee, flexes thigh
action of vastus lateralis, medialis, and intermedius
extends knee
action of sartorius
aids in knee and hip flexion
what muscle is innervated by the inferior gluteal nerve?
gluteus maximus
what muscles are innervated by the superior gluteal nerve
gluteus medius and minimus, tensor fasciae latae
what nerve innervates the gluteus maximus
inferior gluteal nerve
what nerve innervates the gluteus medius and gluteus minimus and tensor fasciae latae
superior gluteal nerve
what nerve innervates the pectineus
femoral nerve
what nerve innervates the adductor longus and brevis
obturator nerve
what nerve innerates the adductor magnus
obturator nerve/tibial nerve
what nerve innervates the gracilis
obturator nerve
what nerve innervates the thigh adductors
femoral nerve
what nerve innervates the rectus femoris
fermoral nerve
what nerve innervates the vastus lateralis, medialis, intermedius, sartorius, and recuts femoris?
femoral nerve
what muscles flex knee and extend hip during walking or running
biceps fermoris, semitendinosus, and semimembranosus
what muscle rotates femur laterally to unlock knee and allows for flexion
popliteus
action of biceps femoris
flex knee and extend hip during walking or running
action of semitendinosus and semimembranosus
flex knee and extend hip during walking or running
action of popliteus
rotates femur laterally to unlock knee, allows flexion
what nerves innervate biceps femoris
tibial nerve (long head) and fibular nerve (short head)
what nerve innervate the semitendinosus, semimembranosus, and popliteus muscles
tibial nerve