Origin: Sacrotuberous Ligament and Ischiatic Tuberosity

Insertion: Fascia lata and crural fascia to Patella

Action: Extend hip, stifle and hock. Caudal part: flexes stifle

Innervation: Sciatic n.

Origin: Ischiatic Tuberosity

Insertion: Distocranial Border of Tibia

Action: Extend the hip, flext the stifle, extend the hock

Innervation: Sciatic n.

Semimembranosus m.

Two bellies

Origin: Ischiatic Tuberosity

Insertion Distal medial lip of the caudal rough surface of femur and proximal end of tibia

Action: Extend the hip. Femoral attachment extends stifle. Tibial attachment flexes or extends the stifle

Innervation: Sciatic n.

Sartorius m.

Two parts: Cranial and Caudal

Origin: Cranial: crest of ilium and thoracolumbar fascia Caudal: Iliac spine

Insertion: Cranial- Patella Caudal- cranial border of tibia

Action: Flex the hip; Cranial- extends stifle Caudal- Flexes stifle

Innervation: Femoral n.

Origin: Pelvic Symphysis

Insertion: Cranial Border of Tibia

Action: Adduct the limb, flex stifle, extend hip and hock

Innervation: Obturator n.

Origin: Iliopubic eminence

Insertion: Distal end of medial lip of caudal rough surface of femur

Action: Adduct the limb

Innervation: Obturator n.

Origin: Pelvic Symphysis

Insertion: Lateral lip of caudal rough surface of femur

Action: Adduct the limb, extend the hip

Innervation: Obturator n.

Origin: Tuber coxae and part of ileum; Aponeurosis of middle gluteal m.

Insertion: Lateral femoral fascia

Action: Tense lateral femoral fascia, flex hip, extend stifle

Innervation: Cranial gluteal n.

Origin: Lateral border of sacrum and first caudal vertebra

Insertion: Third Trochanter

Action: Extend the hip, abduct the limb

Innervation: Caudal gluteal n.

Origin: Crest and gluteal surface of ilium

Insertion: Greater trochanter

Action: Extend and abduct the hip; rotate the pelvic limb medially

Innervation: Cranial gluteal n.

Origin: Body of ilium; ischiatic spine

Insertion: Cranial aspect of greater trochanter

Action: Extend and abduct hip; Rotate pelvic limb medially

Innervation: Cranial gluteal n.

Origin: Pelvic symphysis and dorsal ischium and pubis

Insertion: Trochanteric fossa of femur

Action: Rotate pelvic limb laterally at hip

Innervation: Sciatic n.

Gemelli m.

Often associated with?

Often associated with the internal obturator m.

Origin: Lateral ischiatic surface, caudal to acetabulum, ventral to ischiatic notch

Insertion: Trochanteric Fossa of femur

Action: Rotate the pelvic limb laterally at hip

Innervation: Sciatic n.

Origin: Venral surface of caudal ischium

Insertion: Intertrochanteric crest

Action: Extend the hip and rotate the pelvic limb laterally

Innervation: Sciatic n.

Origin: Ventral surface of pubis and ischium

Insertion: Trochanteric fossa

Action: Rotate the pelvic limb laterally

Innervation: Obturator n.

1. Rectus femoris

2. Vastus lateralis

3. Vastus intermedius

4. Vastus medialis

Origin: Rectus Femoris- ilium; Vasti - proximal femur

Insertion: Tibial tuberosity

Action: To extend the stifle and flex the hip

Innervation: Femoral n.

Origin: Cranial Tibial Border

Insertion: Plantar surface of base of MI and II

Action: Flex the tarsus and rotate the paw laterally

Innervation: Peroneal n.

Origin: Extensor fossa of femur

insertion: Extensor processes of distal phalanges of dII-V

Action: Extend the digits and flex the tarsus

Innervation: Peroneal n.

Origin: Lateral condyle of tibia

Insertion: TIV, plantar regions of metatarsal bases

Action: Flex tarsus, rotate paw medially

Innervation: Peroneal n.

Gastrocnemius m.

Two heads

Origin: Medial and lateral supracondylar tuberosities of femur

Insertion: Tuber calcanei

Action: Extend tarsus and flex the stifle

Innervation: Tibial n.

Origin: Lateral supracondylar tuberosity of femur

Insertion: Tuber Calcanei

Action: Flex first two digit joints of four principal digits; flex stifle; extend tarsus.

Innervation: Tibial n.

Deep Digital Flexor m.

Lateral Digital Flexor m.

Medial Digital Flexor m.

Origin: Plantar aspect of proximal 2/3 of tibia

Insertion: Plantar surface of base of distal phalanges

Action: Flex the digits, extend the tarsus

Innervation: Tibial n.

Origin: Lateral condyle of femur

Insertion: Proximal 1/3 of caudal tibia

Action: Rotate leg medially

Innervation: Tibial n.