Muscles of the rump

Question 1

Tensor fasciae latae m.

Answer 1

Origin: Tuber coxae

Insertion: fascia lata

Action: flex the hip joint, tense the fascia late and thus aid extension of the stifle joint

Question 2

Superficial gluteal m.

Answer 2

Origin: sacrum and sacrotuberous lig.

Insertion: 3rd trochanter of femur

Action: extend the hip joint and abduct the limb

Question 3

Middle gluteal m.

Answer 3

Origin: gluteal surface of ilium

Insertion: greater trochanter of femur

Action: extend the hip joint, rotate the pelvic limb medially

Question 4

Deep gluteal

Answer 4

Origin: body of ilium and ischiatic spine

Insertion: greater trochanter (deep to middle gluteal m.)

Action: extend the hip joint