Lower Limb Muscles Flashcards
Gluteus maximus
O = ileum posterior to the posterior gluteal line, dorsal sacrum
I = iliotibial tract
I = inferior gluteal nerve
Gluteus medius
O = external surface of ileum between anterior and posterior gluteal lines
I = lateral surface of GT
I = superior gluteal nerve
Gluteus minimis
O = External surface of ileum between anterior and posterior gluteal lines
I = anterior surface of GT
I = superior gluteal nerve
TFL
O = ASIS, anterior iliac crest
I = Iliotibial tract
I = superior gluteal nerve
Piriformis
O = anterior surface of sacrum, sacrotuberous ligament
I = superior border of GT
I = branches of anterior rami of S1/2
Obturator internus
O = pelvis surface of obturator membrane and surrounding bones
I = medial surface of GT
I = nerve to obturator internus
Superior gemelli
O = ischial spine
I = medial surface of GT (trochanteric fossa)
I = nerve to obturator internus
Inferior gemelli
O = ischial tuberosity
I = medial surface of GT (trochanteric fossa)
I = nerve to quadratus femoris
Quadratus femoris
O = lateral border of ischial tuberosity
I = quadrate tubercle on lesser trochanteric crest
I = nerve to quadratus femoris
Pectineus
O = superior ramus of pubis
I = pectineal line of femur
I = femoral nerve
Psoas major
O = sides of T12-L5 transverse processes
I = lesser trochanter
I = anterior rami of L1-3
Psoas minor
O = sides of T12-L1
I = pectineal line, iliopectineal eminence
I = anterior rami of L1-2
Iliacus
O = iliac crest
I = tendon of psoas major, lesser trochanter
I = femoral nerve
Sartorius
O = ASIS
I = superior part of medial surface of tibia (pes ansinus)
I = femoral nerve
Rectus femoris
O = ASIS and ileum superior to acetabulum
I = quads tendon
I = femoral nerve