Gluteal, posterior thigh, and hip muscles

Gluteus Maximus origin

Ilium (post gluteal line), sacrum, and coccyx

Gluteus Maximus insertion

Gluteal tuberosity+ Iliotibial tract

Gluteus Maximus action

Hip extension, abduction and external rotation

Gluteus Maximus innervation

Inferior gluteal n.

Gluteus medius origin

Ilium (between anterior and posterior gluteal lines)

Gluteus medius insertion

Greater trochanter (Lateral surface)

Gluteus medius action

Hip abduction and internal rotation

Gluteus medius innervation

Superior gluteal n.

Gluteus minimus origin

Ilium (between anterior and inferior gluteal lines)

Gluteus minimus insertion

Greater trochanter (anterior surface)

Gluteus minimus action

Hip abduction and internal rotation

Gluteus minimus innervation

Superior gluteal n.

Tensor fascia lata origin

Anterior aspect of iliac crest

Tensor fascia lata insertion

Gerdys tubercle

Tensor fascia lata action

Hip abduction (weak internal rotation)

Tensor fascia lata innervation

Superior gluteal n.

Piriformis origin

ANTERIOR surface of sacrum; sacrotuberous l.

Piriformis insertion

Greater trochanter (superior surface)

Piriformis action

External rotation and hip abduction (weak)

Piriformis innervation

N. To Piriformis

Superior gemellus origin

Ischial spine

Superior gemellus insertion

Greater trochanter (medial surface)

Superior gemellus action

External rotation and hip abduction

Superior gemellus innervation

N. To obturator internus

Obturator internus origin

Pelvic surface of obturator membrane

Obturator internus insertion

Greater trochanter (medial surface)

Obturator internus action

External rotation and hip abduction

Obturator internus innervation

N. To obturator internus

Inferior gemellus origin

ischial tuberosity

Inferior gemellus insertion

Greater trochanter (medial surface)

Inferior gemellus action

External rotation and hip abduction

Inferior gemellus innervation

N. To quadratus femoris

Quadratus femoris origin

Ischial tuberosity (lateral surface)

Quadratus femoris insertion

intertrochanteric crest

Quadratus femoris action

External rotation

Quadratus femoris innervation

N. To quadratus femoris

Biceps femoris long head origin

Ischial tuberosity

Biceps femoris short head origin

Linda appear + lateral supracondylar line

Biceps femoris insertion

Fibular head and lateral tibial condyle

Biceps femoris action of long head

Hip extension and knee flexion (lateral rotation when already flexed)

Biceps femoris action of short head

Knee flexion and lateral rotation when already flexed

Biceps femoris long head innervation

Tibial nerve

Biceps femoris short head innervation

Common fibular nerve

Semitendinosus origin

Ischial tuberosity

Semitendinosus insertion

Pes anserine

Semitendinosus action

Hip extension and knee flexion (medial rotation when already flexed)

Semitendinosus innervation

Tibial n.

Semimembranosus origin

Tibial tuberosity

Semimembranosus insertion

Posterior medial tibial condyle

Semimembranosus action

Hip extension and knee flexion (medial rotation when already flexed)

Semimembranosus innervation

Tibial n.