Gluteal

Question 1

Tensor Fascia Lata

Answer 1

O: Ant. Superior Iliac Sping; Ant. Iliac Crest

I: Iliotibial tract

Inn: Superior Gluteal N.

BS: Superior Gluteal A.

A: Abduct, medially rotate, flex thigh

Question 2

Gluteus Maximus

Answer 2

O: Posterior Ilium, Sacrum, Coccyx, & Sacrotuberious Ligament

I: Iliotibial tract; Gluteal tuberosity of Femur

Inn: Inferior Gluteal N.

BS: Superior Gluteal A, Inferior Gluteal A, Circumflex Femoral A

A: Extend & Laterally rotate thigh

Question 3

Gluteus Medius

Answer 3

O: External Ilium, Anterior-Posterior gluteal lines

I: Posterolateral greater trochanter of Femur

Inn: Superior Gluteal N.

BS: Superior Gluteal A.

A: Abduct & medially rotate thigh

Question 4

Gluteus Minimus

Answer 4

O: External Ilium, Anterior - Inferior gluteal lines

I: Anterior greater trochanter of Femur

Inn: Superior Gluteal N.

BS: Superior Gluteal A.

A: Abduct & medially rotate thigh

Question 5

Piriformis

Answer 5

O: Anterior Sacrum, Sacrotuberous Ligament

I: Superior greater trochanter of Femur

Inn: ventral rami of Spinal N. S1 - S2

BS: Inferior Gluteal A, Superior Gluteal A, Circumflex Femoral A

A: Steady femoral head, abduct & laterally rotate thigh

Question 6

Obturator Internus

Answer 6

O: Pelvic obturator membrane

I: Trochanteric fossa of femur

Inn: Nerve to Obturator Internus

BS: Inferior gluteal A, Circumflex Femoral A

A: Steady Femoral head, Laterally rotate thigh

Question 7

Gemelli

Answer 7

O: Superior - Ischial Spine; Inferior - Ischial tuberosity

I: Trochanteric fossa of Femur

Inn: Superior - N. to Obturator Interun Inferior - N. to Quadratus Femoris

BS: Inferior Gluteal A., Circumflex Femoral A.

A: Steady Femoral head, Abduct & Laterall rotate thigh

Question 8

Quadratus Femoris

Answer 8

O: Lateral Ischial tuberosity

I: Intertrochanteric crest of Femur

Inn: N. to Quadratus Femoris

BS: Inferior Gluteal A., Pudendal A.

A: Laterally rotate thigh, stead femoral head