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Cranial Tibial m.*****
Origin-
Insertion-
Action-
Innervation-
- Origin- extensor groove and the adjacent articular margin of the tibia; the lateral edge of the cranial tibial border.
- Insertion- The plantar surface of the of the base of metatarsals I and II.
- Action- To flex the tarsus, to rotate the paw laterally
- Innervation- Deep peroneal n.
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Long Digital Extensor m.*****
Origin-
Insertion-
Action-
Innervation-
- Origin- Extensor fossa of the femur.
- Insertion- The extensor processes of the distal phalanges of digits II-V.
- Action- To extend the digits and flex the tarsus.
- Innervation- Deep peroneal n.
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Peroneus Longus m. (Fibularis Longus m.)
Origin-
Insertion-
Action-
Innervation-
- Origin- The lateral condyle of the tibia, the proximal end of the fibula, the lateral epicondyle of the of the femur by the lateral collateral ligament of the stifle.
- Insertion- The fourth tarsal bone, the plantar aspect of the base of the metatarsals.
- Action- To flex the tarsus and rotate the paw medially.
- Innervation- Common peroneal n.
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Lateral Digital Extensor m.
Innervation-
Superficial peroneal n.
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The major component of the common calcanean tendon.
Gastrocnemius m.
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Gastrocnemius m.*****
Origin-
Insertion-
Action-
Innervation-
- Origin- The medial and lateral supracondylar tuberosities of the femur.
- Insertion- The proximal dorsal surface of the tuber calcanei.
- Action- To extend the tarsus and flex the stifle.
- Innervation- Tibial n.
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Superficial Digital Flexor m.*****
Origin-
Insertion-
Action-
Innervation-
- Origin- The lateral supracondylar tuberosity of the femur.
- Insertion- The tuber calcanei and the bases of the middle phalanges of digits II-V.
- Action- To flex the stifle, extend the tarsus, and flex the first two digital joints
- Innervation- Tibial n.
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The Deep Digital Flexor m.*****
Origin-
Insertion-
Action-
Innervation-
- Origin- The caudal aspect of the proximal two thirds of the tibia, the proximal half of the fibula, and the adjacent interosseous membrane (lateral head); proximal end of the tibia (medial head)
- Insertion- The flexor tubercle on the plantar surface of the base of each of the distal phalanges.
- Action- To flex the digits and extend the tarsus.
- Innervation- Tibial n.
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Popliteus m.
Origin-
Insertion-
Action-
Innervation-
- Origin- The lateral epicondyle of the femur.
- Insertion- The proximal third of the caudal surface of the tibia.
- Action- To rotate the leg medially.
- Innervation- Tibial n.
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A partial tear of the common calcaneal tendon is a tear of the ___________.
gatrocnemius m.
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