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36 terms

Anatomy muscles of gluteal region

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gluteus maximus origin
ilium posterior to posterior gluteal line; dorsal surface of sacrum and coccyx; sacrotuberous ligament
gluteus maximus insertion
gluteal tuberosity and lateral condyle of tibia
gluteus maximus innervation
inferior gluteal nerve (S1,2)
gluteus maximus action
extends and laterally rotates thigh; assists in rising from a sitting position
gluteus medius origin
external surface of ilium between the anterior and posterior gluteal lines
gluteus medius insertion
lateral surface of the greater trochanter of femur
gluteus medius innervation
superior gluteal nerve (L5)
gluteus medius action
abduct and medially rotates the thigh
gluteus minimus origin
external surface of the ilium between the anterior and inferior gluteal lines
gluteus minimus insertion
anterior surface of the greater trochanter of the femur
gluteus minimus innervation
superior gluteal nerve (L5)
gluteus minimus action
abducts and medially rotates thigh
tensor fasia lata origin
ASIS and anterior part of iliac spine
tensor fasia lata insertion
IT tract which attaches to the lateral condyle of the tibia
tensor fasia lata innervation
superior gluteal nerve (L5)
tensor fasia lata action
abduct and medially rotates the thigh
piriformis origin
anterior surface of the sacrum and the sacrotuberous ligament
piriformis insertion
superior border of the greater trochanter of the femur
piriformis innervation
braches of ventral rami (S1)
piriformis action
laterally rotates an extended thigh and abducts a flexed thigh and is a hip stabilizer
obturator internus origin
pelvic surface of obturator membrane and surrounding bones
obturator internus insertion
medial surface of greater trochanter (trochanteric fossa) of femur
obturator internus innervation
nerve to obturator internus (S1)
obturator internus action
laterally rotates an extended thigh and abducts a flexed thigh and is a hip stabilizer
superior gamellus origin
ischial spine
superior gamellus insertion
medial surface of greater trochanter (trochanteric fossa) of femur
superior gamellus innervation
nerve to obturator internus (S1)
superior gamellus action
laterally rotates an extended thigh and abducts a flexed thigh and is a hip stabilizer
inferior gamellus origin
ischial tuberosity
inferior gamellus insertion
medial surface of greater trochanter (trochanteric fossa) of femur
inferior gamellus innervation
nerve to quadratus femoris
inferior gamellus action
laterally rotates an extended thigh and abducts a flexed thigh and is a hip stabilizer
quadratus femoris origin
lateral border of ischial tuberosity
quadratus femoris insertion
quadrate tubercle on intertrochanteric crest of femur and area inferior to it
quadratus femoris innervation
nerve to quadratus femoris
quadratus femoris action
laterally rotates the thigh and hip stabilizer