Dance Anatomy & Kinesiology

175

(continued)

Muscle Proximal attachment(s) Distal attachment(s) Primary action(s)

Posterior muscles (continued)

Deep outward rotators

Piriformis

(PIR-i-form-is)

Anterior surface of

sacrum, posterior ilium

Superior surface of

greater trochanter of

femur

Hip external rotation

Stabilization of hip joint

Obturator internus

(ob-tu-RA-tor in-TER-nus)

Internal surface of

obturator foramen and

obturator membrane,

ischium

Medial surface of greater

trochanter of femur

Hip external rotation

Stabilization of hip joint

Obturator externus

(ob-tu-RA-tor ek-STER-nus)

Rami of pubis and

ischium and external

surface of obturator

membrane

Adjacent to greater

trochanter on upper,

posterior femur

Hip external rotation

Stabilization of hip joint

Gemellus superior

(je-ME-lis)

Posterior, lower part of

ischium

With obturator internus

muscle to medial aspect

of greater trochanter of

femur

Hip external rotation

Stabilization of hip joint

Gemellus inferior

(je-ME-lis)

Ischial tuberosity With obturator internus

muscle to medial aspect

of greater trochanter of

femur

Hip external rotation

Stabilization of hip joint

Quadratus femoris

(kwod-RA-tus FEM-o-ris)

Lateral ischial tuberosity The crest between

the greater and lesser

trochanter on posterior

femur

Hip external rotation

Stabilization of hip joint

Lateral muscles

Gluteus medius

(GLOO-tee-us ME-dee-us)

Outer surface of ilium Lateral surface of greater

trochanter of femur

Hip abduction

Hip internal rotation

Stabilization of pelvis on

femur

Gluteus minimus

(GLOO-tee-us MI-ni-mus)

Lower outer surface of

ilium

Anterolateral aspect of

greater trochanter of

femur

Hip abduction

Hip internal rotation

Stabilization of pelvis on

femur

Tensor fasciae latae

(TEN-sor FA-she-eh LAT-te)

Anterior outer crest of

ilium, lateral aspect of

anterior superior iliac

spine

Tibia via iliotibial band Hip abduction

Hip flexion

Hip internal rotation

Medial muscles

Adductor longus

(ah-DUK-tor LON-gus)

Anterior surface of pubis

at crest

Middle third of linea

aspera of femur

Hip adduction

Hip flexion (lower ranges)

Adductor brevis

(ah-DUK-tor BRE-vis)

Inferior ramus of pubis Superior portion of linea

aspera and distal portion

of line between lesser

trochanter and linea

aspera of femur

Hip adduction

Hip flexion (lower ranges)

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