2026 mm of gluteal region and post thigh
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24 Terms
origin of gluteus maximus
external surface of ilium posterior to the posterior gluteal line, dorsal surface of sacrum and coccyx, and sacrotuberous ligament
insertion of gluteus maximus
iliotibial tract to lateral condyle of tibia, and gluteal tuberosity of femur
action of gluteus maximus
extends hip, assists in lateral rotation of hip
innervation of gluteus maximus
inferior gluteal n L5-S2
origin of gluteus medius
external surface of ilium between anterior and posterior gluteal lines
insertion of gluteus medius
lateral surface of greater trochanter of femur
action of gluteus medius
abducts and medially rotates hip
innervation of gluteus medius
superior gluteal n L4-S1
origin of gluteus minimus
external surface of ilium between anterior and inferior gluteal lines
insertion of gluteus minimus
anterior surface of greater trochanter of femur
action of gluteus minimus
abducts and medially rotates hip
innervation of gluteus minimus
superior gluteal n L4-S1
origin of tensor fascia lata (TFL)
anterior superior iliac spint (ASIS) and anterior part of iliac crest
insertion of tensor fascia lata (TFL)
iliotibial tract to lateral condyle of tibia
action of tensor fascia lata (TFL)
abducts and medially rotates hip, assists w hip flexion, assists w knee extension
innervation of tensor fascia lata (TFL)
superior gluteal n L4-S1
origin of piriformis
anterior surface of sacrum and sacrotuberous ligament
insertion of piriformis
superior border of greater trochanter of femur
action of piriformis
laterally rotates extended hip, horizontally abducts flexed hip
innervation of piriformis
ventral rami of S1-2
origin of obturator internus
margins of obturator foramen (deep surface) and obturator membrane
insertion of obturator internus (posterior)
medial surface of greater trochanter of femur (trochanteric fossa)
action of obturator internus
laterally rotates extended hip, horizontally abducts flexed hip
innervation of obturator internus
N. to obturator internus L5-S1