O: 2 parts: middle parts of the 4th and 5th to the 12th rib

adjacent deep trunk fascia

I: linea alba

A: compression and support of abd viscera

fibres run caudoventrally

O: principle lamina of the thoracolumbar fascia caudal to the last rib

orginates mainly from the tuber coxae of illium

I: linea alba

A: compression and support of abd viscera

flat muscles lying profundus to the m. external abdominal oblique; almost completely covered by external oblique.

fibres run cranioventrally

O: 8th costal cartilidge; last lumbar transverse process, and tuber coxae

I: linea alba

A: compression and support of abd viscera

Deepest Abd muscle

O: arise by broad, flat tendon from the sternum and 1st costal cartilage of the rib

I: units with tendon of the origin of m. pecineus and the prepubic tendon

A: functions dependent on abd press (expiration, parturition, urination), support of abd viscera, draw pelvis forward, flexion of back

Fibers run longitudinally

O: lateral sacrum

I: gluteal tuberosity of ilium

A: extensor of hip joint; draws limb caudally

small flat, almost rectangular

O: iliac crest

I: trochanter major of femur

A: extension of hip joint

O: aponeurosis of the m. gluteus medius

tuber coxae

I: patella and tibial tuberosity

A: felxion of hip joint

extension of stifle joint

triangular muscle attach proximally to the tuber coxae

m. sartorius

cranial belly

O: iliac crest and tuber coxae

I: cranial tibia

A: flexor of hip; extensor of stifle

O: 2 unequal heads:

superficial: ventrocaudal end of sacrotuberous ligament and partly from lateral angle of the ischial tuberosity

deep: ventral side of lateral angle of the ischiatic tuberosity

I: medial surface of the tibial crest

A: superficial: hip extensor

profundus: tarsal joint extension

O: ventral sacrum

I: greater trochanter of femur

A: extensor of hip joint; abducts limb and draws it caudally

lies caudal and medial to the m. gluteus medius. completely covered by m. gluteus superficalis

O: laterally from the shaft of ilium near the ischiatic spine

I: greater trochanter, distal to the insertion of the m. middle gluteal

A: extension and some abduction of the hip joint

covered by middle gluteal and piriformis

O: obturator foramen of pubis

I: trochanteric fossa of femur

A: rotates limb-turns cranial face laterally, extends hip

O: obturator foramen of pubis

I: trochanteric fossa of femur

A: rotates limb-turns cranial face laterally, adducts limb

fan-shaped muscle that covers the obturator forman externally

O: outer surface of the ramus of the ischium in the arch

I: trochanteric fossa

A: outward rotation of hip

O: ventromedial ischiatic tuberosity

I: caudal to trochanteric fossa of femur

A: extension and outward rotation of hip joint

O: ischiatic spine

I: transverse processes of the first 4 coccygeal vertebrae

A: wags tail and draws it down

O: pelvic surface of pubis and ischium

I: coccygeal vertebrae

A: draws tail ventrally

lies cranial and medial to coccygeus

broad triangular muscle laterally

O: ventral surface of the ischiatic tuberosity 

I: medial tibia

A: extension of the hip and tarsal joints

flexion of stifle joints

lie in teh caudal part of the thigh between cranial and lateral parts of the m. biceps femoris and the lateral parts of the m. biceps femoris

m. semimembranosus

(2 bellies)

O: ventral surface of the ischiatic tuberosity

I: adjacent distal end of the medial lip of hte femur

caudal part of the medial condyle

A: extend the hip when the foot is placed on a solid substrate

flex the stifle

O: pelvic symphysis

I: femur

A: adductor

O: pelvic symphysis

I: calcaneal tuberosity

A: adduction of the thigh; hip and hock extension

extensive, broadmuscular sheet

found in the superficial layer of the caudal portion of the inner surface of the thigh

O: pubic tubercle

I: lateral lip of the femur

A: adduction and extension of hip

encroaches upon proximal part of the m. pectineus

O: proximal femur

I: tibial tuberosity

A: extensor of stifle

one of m. quadriceps femoris bellies

O: cranial medial femur

I: tibial tuberosity

A: extensor of the stifle

covered by vastus lateralis

O: cranial-lateral femur

I: (same for all quads) tibial tuberosity

A: extensor of stifle

O: caudoventral iliac spine

I: (same for all quads) tibial tuberosity

A: extensor of stifle

m. sartorius

caudal belly

O: lliac crest

I: cranial tibia

A: flexor of stifle

lies close beside the cranial belly

O: iliopubic eminence

I: femur

A: adductor of limb, flexor hip

spindle shaped body, circular cross-section

O: lateral tibia

A: flex tarsus and rotate the paw laterally

superficial, flatten

O: femur

A: extension of the digits, flexion of the tarsus

spindle shaped

O: lateral condyle of tibia; fibula

I: 4th tarsal and on the plantar surfaces of all metatarsals

A: rotation of hindpaw medially, flexion of tarsus

lies on proximal half on the lateral surface of the crus

O: proximal fibula

A: extension and abduction of digit V

O: cranial border of the fibula and on the interosseous membrane

I: aponeurosis of metatarsals and exceptionally ends on the rudiment of the 1st digit

A: extension of digit I and II

lies directly on the tibia

m. peroneus brevis

(fibularis)

O: lateral surface of the distal two-thirds of the fibula and tibia

I: proximal end of the metatarsal V

A: flexion of the tarsal joint

m. gastrocnemius

lateral head

O: lateral supercondylar tuberosity of the femur

I: tuber calcanel

A: extend tarsal joint; flexion of stifle joint

m. digital flexor digit I (hallucis) longus

(lateral head)

O: caudal surface of the proximal fibula and proximal caudolateral tibia

A: flexion of the digits

laterally located

O: head of the fibula

I: bases of distal phalanges

A: flexion of the digits

medially located; short, spindled shaped

O: medial part of the proximal end of fibula

I: medial ligamentous masses of the tarsus

A: extension of the tarsus; outward rotation of the foot

between the m. poplieus and m. flexor digit I longus.

covered by m. flexor digitorum longus and lies o the caudal surface of the tibia

m. gastrocnemius

medial head

O: medial supercodylar tuberosity of the femur

I: tuber calcanei

A: extend tarsal joint; flexion of stifle joint

O: lateral supercondylar tuberosity of the femur

I: tuber calcanei

A: flexion of the digits; extension and fixation of the tarsus; flexion of the stifle joint

O: plantar surface of femur

A: inward/medial rotation of the leg relative to the femur

triangular muscle; covers the joint capsule and the medial half of the proximal 3rd of the tibia

O: distal part of the fibular tarsal bone

I: mm. interossei

A: extension on digits

flat, lies on the distal row of the tarsal bones and on the metatarsal bones