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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

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