Pelvic Limb

Deep Gluteal origin

Body of illium and ischial spine

Deep gluteal insertion

Cranial aspect of greater tubercle

Deep gluteal action

Extends the hip, abduct the hip, medially rotate the femur

Piriformis origin

Lateral surface of S3 and CD 1

Piriformis insertion

Dorsal greater trochanter

Piriformis action

Extend hip

Middle gluteal origin

Crest of gluteal surface of the illium

Middle gluteal insertion

Dorsal greater trochanter

Middle gluteal action

Extend the hip, medial rotation

Adductor origin

Entire public symphysis, ventral pubis and ischium

Adductor insertion

Entire lateral border of the caudal rough surface of the femur

Adductor action

Abducts the limb, extends the hip

Pectinius origin

Body of the pubis from the illiopubic eminence to pubic tubercle

Pectineus insertion

Distal end of the medial rough surface of the femur

Pectineus action

Adduct the limb

Sacrotuberous ligament origin

Transverse process of S3 - CD1

Sacrotuberous ligament insertion

Lateral angle of the ischiatic tuberosity

Sacrotuberous ligament action

no action - ligament

Superficial gluteal origin

Lateral border of the sacrum and CD1 and proximal ½ Sacrotuberous ligament

Superficial gluteal insertion

Third trochanter

Superficial gluteal action

Extend hip, adduct the limb

Quadriceps (vastus medialis) origin

Proximal end of the cranio-medial femur

Quadriceps (vastus medialis) insertion

Come together as a tendon to the patella, then as a ligament to the distal end of the tibial tuberosity

Quadriceps (vastus medialis) action

Extend the stifle

Quadriceps (intermedius) origin

Lateral part of proximal ¼ femur

Quadriceps (intermedius) insertion

Come together as a tendon to the patella, then a ligament to the distal end of the tibial tuberosity

Quadriceps (intermedius) action

Extend the stifle

Quadriceps (lateralis) origin

Proximal lateral femur

Quadriceps (lateralis) insertion

Come together as a tendon to the patella, then to a ligament distal end of the tibial tuberosity

Quadriceps (lateralis) action

Extend the stifle

Rectus femoris origin

Illium, cranial to the acetabulum

Rectus femoris insertion

Joins the other three heads by common tendon to the patella, then tibial tuberosity

Rectus femoris action

Extends the stifle, flex the hip

Semimembranosus origin

Ischiatic tuberosity

Semimembranosus insertion

2 insertions:

Distal medial femur

Proximal end of tibia

Semimembranosus action

Extend the hip

Depending of position, can flex or extend stifle

Semitendinosus origin

Ischiatic tuberosity

Semitendinosus insertion

Medial surface of the body of the tibia is prominent tendon and tuber calcanei via rural fascia

Semitendinosus action

Extend the hip, flex the stifle, extends tarsus

Gracilis origin

Pubic symphasis

Gracilis insertion

Cranial border tibia

With Semitendinosus via the tuber calcaneus

Gracilis action

Adduct the limb, flex the stifle, extend the hip, extends the tarsus

Tensor fascia latae origin

tuber coxae and adjacent illium

Tensor fascia latae insertion

Lateral femoral fascia

Tensor fascia latae action

Tense the femoral fascia. Lees the hip, extend the stifle, abducts the limb