Gluteals

Question 1

Gluteus Maximus

Answer 1

A - All fibers: Extend the hip (coxal joint) Laterally rotate the hip (coxal joint) Abduct the hip (coxal joint)

O - Coccyx, edge of sacrum, posterior iliac crest, and SIJ (sacrotuberous and sacroiliac) ligaments

I - IT band (upper fibers) Gluteal tuberosity (lower fibers)

N - Inferior gluteal L5, S1, 2

Question 2

Gluteus Medius

Answer 2

A - All fibers: Abduct the hip (coxal joint) Anterior fibers: Flex the hip (coxal joint) Medially rotate the hip (coxal joint) Posterior fibers: Extend the hip (coxal joint) Laterally rotate the hip

O - Gluteal surface of ilium, between posterior and anterior gluteal lines, just below iliac crest

I - Greater trochanter

N - Superior gluteal L4, 5, S1

Question 3

Gluteus Minimus

Answer 3

A - Abduct the hip (coxal joint) Medially rotate the hip (coxal joint) Flex the hip (coxal joint) O - Gluteal surface of the ilium between the anterior and inferior gluteal lines I - Greater trochanter N - Superior gluteal L4, 5, S1