Unit II Mx Actions Flashcards
Piriformis
lateral rotation of hip
Obturator internus
lateral rotation of hip
Levator ani
supports pelvic viscera
Coccygeus
supports pelvic viscera; flex coccyx
Sartorius
flex abduct, lateraly rotate thigh; rotate leg at knee
iliacus
flex thigh; flex trunk when sitting up
Psoas major
flex thigh; flex trunk when sitting up
pectineus
flex, adduct thigh
rectus femoris (quadriceps femoris)
extend leg; flex thigh
vastus lateralis (quadriceps femoris)
EXTEND LEG
vastus medialis
extend leg; stabilize patella
vastus intermedius
extend leg
articularis genu
retract synovial membrane during knee motions
gluteus maximus
extend, laterally rotate thigh; extend knee; extend trunk
gluteus medius
abduct thigh, tilt pelvis
gluteus medius anterior fibers
medially rotate thigh
gluteus minimis
abduct thigh, tilt pelvis
gluteus minimis anterior fibers
medially rotate thigh
tensor fasciae latae
flex, abduct thigh, extend knee
piriformis
laterally rotate hip
Obturator internus
laterally rotate thigh at hip
Gemellus superior
laterally rotate thigh at hip
Gemellus inferior
laterally rotate thigh at hip
Quadratus femoris
laterally rotate thigh at hip
Adductor longus
adduct thigh
Adductor brevis
adduct thigh
Adductor magnus
adduct thigh, medial rotation