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muscle actions

STUDY
PLAY
biceps femoris
flexor at knee, laterally rotates thigh(if flexed at knee), extends hip
adductor longus
adducts thigh, flexes thigh, may laterally rotate thigh at the hip
gracilis
adducts thigh, flexes knee, medially rotates tibia
sartorius
flexes hip and knee, laterally rotates thigh (if flexed at the hip)
rectus femoris
extends knee, flexes hip
vastus lateralis
extends knee, can abnormally displace patella