Superficial Gluteal Muscles

identify B

gluteus maximus

gluteus maximus

gluteus maximus proximal attachment

External surface of ilium on posterior gluteal line and ilium posterior and superior to this (including the crest)

Posterior surface of lower sacrum

Lateral side of coccyx

Sacrotuberous ligament

gluteus maximus distal attachment

gluteal tuberosity of femur (25%) and ITB (75%)

gluteus maximus action

Extends, abducts, and external rotates the hip

Stabilizes knee through action of the ITB

gluteus maximus innervation

Inferior gluteal nerve (L5, S1, S2)

identify A

gluteus medius

gluteus medius

gluteus medius proximal attachment

External surface of ilium between anterior and posterior gluteal lines

gluteus medius distal attachment

lateral aspect of greater trochanter of femur

gluteus medius action

abducts and internally rotates the hip

gluteus medius innervation

Superior gluteal nerve (L4, L5, S1)

gluteus minimus

gluteus minimus

gluteus minimus proximal attachment

external surface of ilium between anterior and inferior gluteal lines (and margin of greater sciatic notch)

gluteus minimus distal attachment

anterolateral ridge on the greater trochanter of the femur

gluteus minimus action

abducts and internally rotates hip

gluteus minimus innervation

Superior gluteal nerve (L4, L5, S1)

identify A

tensor fasciae latae

identify 1

tensor fasciae latae

tensor fasciae latae proximal attachment

External surface of ilium at lateral surface of the ASIS

tensor fasciae latae distal attachment

illiotibial band (ITB)

then......

to the lateral tibial condyle at Girdy's tubercle

tensor fasciae latae action

flexes, internally rotates, and abducts the hip

tensor fasciae latae innervation

Superior gluteal nerve (L4, L5, S1)