Gluteal Muscles

Gluteus Maximus
Origin:
Insertion:
Action:
Nerve:

Post Ilium, sacrum & coccyx
ITB and gluteal tuberosity
Extends thigh, assists in lat rotation
Inf gluteal nerve

Gluteus Medius
Origin:
Insertion:
Action:
Nerve:

Ala of ilium between ant & post gluteal lines
Greater trochanter
Abduct and medially rotate thigh
Sup gluteal nerve

Gluteus Minimus
Origin:
Insertion:
Action:
Nerve:

Ala of ilium between ant & inf gluteal lines
Greater trochanter
Abduct and medially rotate thigh
Sup gluteal nerve

Tensor Fascia Latae
Origin:
Insertion:
Action:
Nerve:

ASIS
ITB
Abduct and medially rotate thigh
Sup gluteal nerve

Pirirformis
Origin:
Insertion:
Action:
Nerve:

S2-S4
Greater trochanter of femur
Laterally rotate extended thigh and abduct flexed thigh
Branches of ant rami of S1, S2

Obturator Internus
Origin:
Insertion:
Action:
Nerve:

Internal surface obturator foramen
Trochanteric fossa
Laterally rotate extended thigh and abduct flexed thigh
Nerve to obturator internus

Superior & Inferior Gemelli
Origin:
Insertion:
Action:
Nerve:

Sup - Ischial spine. Inf - Ischial tuberosity
Trochanteric fossa
Laterally rotate extended thigh and abduct flexed thigh
Sup - Nerve to obturator internus
Inf - Nerve to quad femoris

Quadratus Femoris
Origin:
Insertion:
Action:
Nerve:

Lateral border of ischial tuberosity
Quadrate tubercule on intertrochateric crest
Laterally rotates thigh
Nerve to quadratus femoris.