Muscles of the Pelvic Limb

Created by jdr366 

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Biceps Femoris

Origin:Sacrotuberous ligament and ischiatic tuberosity
Insertion:Patella and tibia by fascia lata and crural fascia
Action: To extend the hip, stifle and hock

Semitendinosus

Origin: Ischiatic Tuberosity
Insertion: disto cranial border of Tibia, medial border of Tibia, and Tuber Calceni
Action: To extend the Hip and Hock

Semimembranosus

Origin: Ischiatic Tuberosity
Insertion: Rough surface of Femur, medial condyle of Tibia
Action: To extend the Hip, Stifle

Sartorius

Origin: Cranial crest of Ilium, cranial ventral iliac spine
Insertion: cranial part-Patella; caudal part-cranial border of tibia
Action: to flex hip, extend stifle

Gracilis

Origin: Pelvic Symphysis
Insertion: Cranial border of tibia, tuber calceni
Action: to adduct limb and extend hip and hock

Pectineus

Origin: Iliopubic eminence and pubic tubercle
Insertion: Medial lip of rough surface of Femur
Action: to adduct the limb

Adductor

Origin: Pelvic symphysis, ischiatic arch and ventral surface of pubis and ischium
Insertion: Lateral lip of rough surface of femur
Action: to adduct limb and extend hip

Tensor Fasciae Latae

Origin: Tuber Coxae, ilium
Insertion: Fascia Lata
Action: flex hip, extend stifle

Superficial Gluteal

Origin: lateral border of sacrum, 1st caudal vertabrae, cranial dorsal iliac spine
Insertion: third Trochanter
Action: to extend hip and abduct limb

Middle Gluteal

Origin: Crest and gluteal surface of ilium
Insertion: Greater Trochanter
Action: to extend/abduct hip, rotate pelvic limb medially

Deep Gluteal

Origin: body of ilium, ischiatic spine
Insertion: cranial aspect of greater trochanter
Action: to extend/abduct hip, rotate pelvic limb medially

Internal Obturator

Origin: symphysis pelvis and dorsal surface of ischium and pubis
Insertion: trochanteric fossa of femur
Action: rotate pelvic limb laterally at hip

Gemelli

Origin: lateral surface of ischium
Insertion: Trochanteric fossa
Action: rotate pelvic limb laterally at hip

Quadratus Femoris

Origin: ventral surface of caudal part of ischium
Insertion: Intertrochanteric crest
Action: to extend hip and rotate pelvic limb laterally

External Obturator

Origin: ventral surface of pubis/ischium
Insertion: Trochanteric Fossa
Action: rotate pelvic limb laterally

Quadriceps Femoris

Origin: ilium, proximal femur
Insertioin: tibial tuberosity
Action: to extend stifle/ flex hip

Iliopsoas

Origin: lumbar vertabrae, cranioventral ilium
Insertion: lesser trochanter
Action: to flex the hip

Cranial Tibial

Origin: Extensor groove, articular margin of tibia
Insertion: plantar surface of base of metatarsals
Action: to flex tarsocrural jt, rotate paw laterally so plantar surface faces medially

Long Digital Extensor

Origin: extensor fossa of femur
Insertion: extensor process's of distal phalanges
Action: to extend digits, flex tarsus

Fibularis Longus

Origin: lateral condyle of tibia, proximal end of fibula, lateral epicondyle of femur
Insertion: fourth tarsal bone, plantar aspect of base of metatarsals
Action: to flex tarsus, rotate paw medially so plantar surface faces laterally

Gastrocnemius

Origin: medial and lateral supracondylar tuberosities of femur
Insertion: proximal dorsal surface of tuber calcanei
Action: to extend tarsus and flex stifle

Superficial Digital Flexor

Origin: lateral supracondylar tuberosity of femur
Insertion: Tuber calcanei, bases of middle phalanges
Action: to flex 1st 2 digital jts, flex stifle, extend tarsus

Deep Digital Flexor

Origin: caudal aspect of proximal 2/3s of tibia
Insertion: flexor tubercle on plantar surface of distal phalanges
Action: to flex digits and extend tarsus

Lateral Digital Flexor

Origin: proximal 1/2 of fibula
Insertion: flexor tubercle on plantar surface of distal phalanges
Action: to flex digits and extend tarsus

Medial Digital Flexor

Origin: adjacent interosseus membrane
Insertion: flexor tubercle on plantar surface of distal phalanges
Action: to flex digits and extend tarsus

Poplitues

Origin: Lateral epicondyle of femur
Insertion: proximal 1/3 of caudal surface of tibia
Action: rotate leg medially

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