Origins and Insertions Flashcards
Gluteus Maximus
Origin: ilium (posterior gluteal line and crest), sacrum, and coccyx, aponeurosis of erector spinae
Insertion: Iliotibial tract and gluteal tuberosity
Gluteus medius
O: Ilium between posterior and inferior anterior gluteal lines
I: Oblique ridge on lateral surface of greater trochanter
Gluteus minimus
O: Ilium between anterior and inferior gluteal lines and margin of greater sciatic notch
I: Anterior border of grater trochanter
Piriformis
O: pelvic surface of sacrum, capsule of SI joint
I: Superior border of greater trochanter
Obturator internus
O: pelvic surface of obturator membrane and margin of obturator foramen, pelvic surface of ischial ramus, inferior pubic ramus
I: Medial surface of greater trochanter
Superior gemellus
O: ischial spine
I: Medial surface of greater trochanter
Inferior gemellus
O: proximal part of ischial tuberosity
I: Medial surface of greater trochanter
Quadratus Femoris
O: proximal part of lateral border of ischial tuberosity
I: Quadrate tubercle
Pectineus
O: pectin pubis
I; Shaft of femur on line from lesser trochanter to linea aspera
TFL
O: outer lip of iliac crest, ASIS
I: Proximal medial surface of tibial shaft distal to tibial condyle
Rectus femoris
O: AIIS, acetabulum, and capsule of hip joint
I: base of patella
Adductor longus
O: pubis
I: middle 1/3 of medial lip of linea aspera
Adductor brevis
O: inferior ramus and body of pubis
I: along line from lesser trochanter to proximal 1/3 of medial lip of linea aspera
Adductor magnus
O: inferior pubic ramus, inferior ramus of ischium, ischial tuberosity
I: linea aspera, medial supracondylar line
Gracillis
O: Inferior pubic ramus
I: Medial surface of tibial shaft below tibial condyle
Obturator externus
O: pubic ramus, ischial ramus, margins of obturator foramen
I: Trochanteric fossa