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26 terms

Muscles of the Pelvic Limb

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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