Group 8 Muscles Flashcards
Piriformis origin
sacrum
Piriformis insertion
greater trochanter
Piriformis action
Hip external rotation Hip abduction
Piriformis nerve
1st and 2nd sacral (L5 S1 2)
Gemellus Superior origin
ischial spine
Gemellus Superior insertion
greater trochanter
Gemellus Superior action
Hip external rotation
Gemellus Superior nerve
obturator internus gemellus superior (L5 S1 2)
Obturator Internus origin
pelvis obturator membrane
Obturator Internus insertion
greater trochanter
Obturator Internus action
Hip external rotation
Obturator Internus nerve
obturator internus gemellus superior (L5 S1 2)
Gemellus Inferior origin
ischial tuberosity
Gemellus Inferior insertion
greater trochanter
Gemellus Inferior action
Hip external rotation
Gemellus Inferior nerve
quadratus femoris gemellus inferior (L4 5 S1 (2))
Obturator Externus origin
Pubis and ischium obturator membrane
Obturator Externus insertion
trochanteric fossa
Obturator Externus action
Hip external rotation
Obturator Externus nerve
Obturator (L2 3 4)
Quadratus Femoris origin
Tuberosity of ischium
Quadratus Femoris insertion
Quadrate tubercle on intertrochanteric crest
Quadratus Femoris action
Hip external rotation Hip adduction
Quadratus Femoris nerve
quadratus femoris gemellus inferior (L4 5 S1 (2))