Medial m. of the thigh

Question 1

Sartorius m. (cranial and caudal bellies dog only)

Answer 1

Origin: ilium

Insertion: patella and cranial tibia

Action: flex the hip joint and variable action on the stifle joint

Question 2

Gracilis m.

Answer 2

Origin: pelvic symphysis

Insertion: cranial tibia and tuber calcanei

Action: extend the coxal and tarsal joints, adduct the pelvis limb, and flex the stifle joint

Question 3

Pectineus m.

Answer 3

Origin: iliopubic eminence

Insertion: distal body of femur

Action: adduct the limb

Question 4

Adductor m.

Answer 4

Origin: ventral surface of os coxae

Insertion: caudal surface of femur

Action: adduct the limb and extend the hip joint