Muscles that move the thigh Flashcards
Origin of the Piriformis
Anterior surface of sacrum
Insertion of piriformis
Upper border of greater trochanter
Action of Piriformis
Laterally rotates and abducts femur
Origin of Quadratus Femoris
Lateral border of Ischial Tuberosity
Insertion of Quadratus Femoris
Quadrate line of femur, below intertrochanteric crest
Quadratus Femoris action
Laterally rotates femur
Origin of Obturator Internus
Internal surface of obturator membrane and margin of obturator foramen
Insertion of Obturator Internus
Medial surface of greater trochanter above trochanteric fossa
Action of Obturator Internus
Lateral rotation and abduction of femur
Origin of Obturator externus
External surface of obturator membrane and superior & inferior of pubic rami
Insertion of Obturator Externus
Trochanteric fossa of femur
Obturator Externus action
Laterally rotates femur
Origin of Superior Gemellus
Ischial spine
Insertion of Superior Gemellus
Obturator Internus tendon
Action of Superior Gemellus
Laterally rotates femur
Origin of Inferior Gemellus
Ischial tuberosity
Insertion of Inferior Gemellus
Obturator Internus tendon
Action of Inferior Gemellus
Laterally rotates femur
Origin of tensor fascia latae
ASIS & iliac crest
Insertion of tensor fascia latae
Iliotibial tract
Action of tensor fascia latae
Flexes abducts and medial rotates femur
Action of tensor fascia latae
Flexes abducts and medial rotates femur