1. Gluteus maximus

2. Gluteus medius

3. Gluteus minimus

4. Piriformis

5. Obturator internus

6. Superior gemellus

7. Inferior gemellus

8. Quadratus femoris

9. Tensor fasciae latae

O: posterior iliac crest, sacrum, coccyx & sacrotuberous ligament

I: IT band & gluteal tuberosity of femur

A: extension & lateral rotation of hip;

ABduction of hip (upper 1/3);

adduction of hip (lower 2/3);

posterior pelvic tilt

N: inferior gluteal nerve

B: inferior & superior gluteal arteries

O: outer ilium (b/w anterior and post. gluteal lines)

I: greater trochanter

A: ABduction of hip;

flexion & medial rotation of hip (anterior fibers);

lateral rotation & extension of hip (posterior fibers);

stabilizes pelvis & prevents free limb from sagging during gait

N: superior gluteal nerve

B: superior gluteal artery

O: outer ilium (b/w anterior and inf. gluteal lines)

I: greater trochanter

A: ABduction of hip;

medial rotation & flexion of hip (anterior fibers);

lateral rotation & extension (posterior fibers);

stabilizes pelvis & prevents free limb from dropping during gait

N: superior gluteal nerve

B: superior gluteal artery

O: anterior sacrum

I: greater trochanter

A: lateral rotation of hip;

ABduction of hip when thigh is flexed

N: nerve to piriformis

B: pelvic arteries, inferior gluteal arteries

O: obturator foramen & obturator membrane

I: greater trochanter

A: lateral rotation of hip joint;

ABduction of thigh when hip is flexed

N: nerve to obturator internus

B: pelvic arteries, inferior gluteal artery

O: ischial spine (superior);

ischial tuberosity (inferior)

I: greater trochanter (medial surface)

A: Lateral rotation of hip;

ABduction of thigh when hip is flexed

N: Nerve to obturator internus

B: Inferior gluteal artery

O: ischial tuberosity (lateral aspect)

I: intertrochanteric crest of femur

A: lateral rotation of hip joint;

Adduction of thigh (weak action)

N: nerve to quadratus femoris

B: medial femoral circumflex artery, inferior gluteal artery

O: ASIS & anterior aspect of iliac crest

I: IT band (below greater trochanter)

A: flexion, ABduction & medial rotation of hip joint;

anterior pelvic tilt; tenses IT band to support femur on tibia during standing

N: superior gluteal nerve

B: lateral femoral circumflex artery (ascending branch), superior gluteal artery

from medial to lateral...

Pudendal nerve

Internal pudendal nerve

Obturator internus, nerve to

Quadratus femoris, nerve to (lateral to piriformis muscle)