Muscles of the Leg Flashcards
what is the function of the psoas major?
flexes thigh and body trunk
flexes vertebral column laterally
what is the function of the iliacus?
flexes thigh and body trunk
what muscles make up the iliopsoas muscles?
psoas major
iliacus
what is the function of the gluteus maximus?
extends thigh
what is the function of the gluteus medius?
abducts and medially rotates thigh
what is the function of the tensor fasciae lata?
steadies the knee and trunk
what is the function of the sartorius?
flexes, abducts, and laterally rotates thigh
what is the function of the rectus femoris?
extends at knee
what is the function of the vastus medialis?
extends at knee
what is the function of the vastus lateralis?
extends at the knee
what is the origin and insertion of the vastus lateralis?
origin: greater trochanter of the femur
insertion: patella
what is the function of the pectineus?
adducts, flexes and medially rotates thigh
what is the function of the adductor longus?
adducts, flexes, and medially rotates thigh
what is the function of the adductor magnus?
adducts, flexes, and medially rotates thigh
what is the function of the gracilis?
adducts thigh
flexes and medially rotates leg
what is the function of the semiteninosus?
extends thigh, flexes at knee
what is the function of the semimembranosus?
extends thigh, flexes at knee
what is the function of the biceps femoris
extends thigh
flexes at knee
what is the origin and insertion of biceps femoris?
origin: ischial tuberosity of coxal bone
insertion: into tibia
what three surface muscles make up the quadriceps?
rectus femoris
vastus medialis
vastus lateralis
what three surface muscles make up the hamstring?
semitendinosus
semimembranosus
biceps femoris
what is the function of the tibialis anterior?
dorsiflexes foot
what is the function of the extensor digitorum longus?
extends toes
dorsiflexes foot
what is the function of the fibularis longus?
plantar flexes and everts foot
