LE Muscles - Actions Flashcards
Iliacus
actions- flexes thigh and stabilizes hip joint
Psoas (L. muscle of the loin)
actions- flexes thigh and stabilizes hip joint
Rectus femoris (L2, 3, 4) (L. straight)
actions- flexes thigh, and extends leg
Sartorius (L. sartor, a tailor)
actions- flexes, abducts & laterally rotates thigh, and flexes leg
Tensor fasciae latae
actions- abducts, flexes & medially rotates thigh, and assists in maintaining extended leg
Vastus intermedius (L2, 3, 4)
actions- extends leg
Vastus lateralis (L2, 3, 4)
actions- extends leg
Vastus medialis (L2, 3, 4)
actions- extends leg
Adductor brevis
actions- adducts thigh
Adductor longus
actions- adducts & flexes thigh
Adductor magnus
actions- adducts (adductor part) & extends (hamstring part) thigh
Gracilis (L. scanty)
actions- flexes & medially rotates the leg, and adducts thigh
Pectineus
actions- adducts & flexes thigh
Obturator externus
actions- laterally rotates thigh
Gemellus inferior (L. twin)
actions- laterally rotates thigh
Gemellus superior
actions- laterally rotates thigh
Gluteus maximus
actions- extends & laterally rotates thigh, & tenses fascia lata (iliotibial tract)
Gluteus medius
actions- abducts & medially rotates thigh; and keeps the pelvis level when opposite leg is raised
Gluteus minimis
actions- abducts & medially rotates thigh; and keeps the pelvis level when opposite leg is raised
Obturator internus
actions- laterally rotates thigh