Muscles and actions Flashcards
Gluteus Maximus
Extension of thigh from flexed position, assist w/ LR & rising from sitting
Gluteus Medius
ABD & MR thigh, keep pelvis level
Gluteus Minimus
ABD & MR thigh, keep pelvis level
Tensor Fascia Lata
ABD, MR, flexion thigh, helps keep knee extended
Piriformis
LR extended thigh, ABD flexed thigh, steadies femoral head
Superior Gemellus
LR extended thigh, ABD flexed thigh, steadies femoral head
Obturator Internus
LR extended thigh, ABD flexed thigh, steadies femoral head
Inferior Gemellus
LR extended thigh, ABD flexed thigh, steadies femoral head
Quadratus femoris
LR thigh, steadies femoral head (NO ABD!!)
Pectineus
ADD & flexion thigh, assists with MR
Iliopsoas Iliacus
flexion of thigh or trunk, stabilize hip joint
Iliopsoas psoas major
flexion of thigh or trunk, stabilize hip joint
Sartorius
flexion, ABD, LR of thigh & flex leg & MR leg when knee flexed
Rectus femoris
Extension leg, flexion thigh, steadies hip
Vastus lateralis
extension leg
Vastus intermedius
extension leg
Vastus medialis
extension leg
Adductor Longus
ADD thigh
Adductor Brevis
ADD & limited flexion thigh
Adductor Magnus Adductor part
ADD thigh; flex thigh