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21 Cards in this Set
- Front
- Back
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What structure(s) does the crural extensor retinaculum of the pelvic limb bind down?
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Long digital extensor tendon
Cranial tibial tendon Deep peroneal n. Cranial tibial a. and v. Extensor hallucis longus tendon Lymphatics |
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What structure(s) does the tarsal extensor retinaculum bind down?
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The long digital extensor tendon.
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What are the OIAI's of the cranial tibial m.?
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Origin:
Lateral edge of the cranial tibial border Insertion: Proximal plantar aspect of the base of metatarsals I and II Innervation: Deep peroneal / fibular n. Action: Flex the tarsus Rotate the paw so that the plantar surface faces medially |
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What can the word "peroneal" be interchangeable with in discussing pelvic limb anatomy?
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Fibular
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What are the OIAI's of the long digital extensor m. of the pelvic limb?
What thoracic limb extensor is this muscle analogous to? |
It's analogous to the common digital extensor m.
Origin: Extensor fossa of the femur Insertion: Extensor processes of the distal phalanx of digits 2-5 Innervation: Deep peroneal / fibular n. Action: Flex the tarsus Extend digits 2-5 |
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Which tendon courses through both crural and tarsal extensor retinaculum?
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The long digital extensor m.
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What are the OIAI's of the peroneus longus m.?
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Origin:
Lateral condyle of the tibia Proximal fibula Lateral collateral ligament of the stifle Insertion: Plantar aspect of the base of the metatarsals 4th tarsal bone Innervation: Deep peroneal / fibular n. Action: Flex the tarsus Rotate the paw so that the plantar surface faces laterally |
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What part of the metatarsals is referred to as the "base"?
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The proximal part.
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What are the OIAI's of the lateral digital extensor m. of the pelvic limb?
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Origin:
Proximal one-third of the fibula Insertion: Proximal phalanx of digit 5 (proximal dorsal aspect) Innervation: Superficial peroneal / fibular n. Action: Flex the tarsus Extend and abduct digit 5 |
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What are the OIAI's of the peroneus brevis m.?
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Origin:
Distal two-thirds of the fibula Lateral tibia Insertion: Proximal end of metatarsal V (abaxial aspect) Innervation: Superficial peroneal / fibular n. Action: Flex the tarsus |
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What are the OIAI's of the gastrocnemius m.?
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Origin of the lateral head:
Lateral supracondylar tuberosity of the femur Origin of the medial head: Medial supracondylar tuberosity of the femur Insertion: Tuber calcanei Innervation: Tibial n. Action: Flex the stifle Extend the tarsus |
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What are the OIAI's of the superficial digital flexor m. of the pelvic limb?
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Origin:
Lateral supracondylar tuberosity of the femur Insertion: Tuber calcanei Proximal plantar aspect of the middle phalanx of digits 2-5 Innervation: Tibial n. Action: Flex the stifle Extend the tarsus Flex the proximal interphalangeal joints of digits 2-5 |
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What muscles contribute to the common calcaneal tendon of the pelvic limb?
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Gastrocnemius m.
Biceps femoris m. Semitendinosus m. Gracilis m. Superficial digital flexor m. Soleus m. (cat) |
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What are the heads of the deep digital flexor m. of the pelvic limb known as?
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Lateral head (Lateral digital flexor m.=flexor hallucis longus m.)
Medial head (medial digital flexor m.=flexor digitorum longus m.) |
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What are the OIAI's of the deep digital flexor m. of the pelvic limb?
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Origin of the lateral head (lateral digital flexor):
Caudolateral border of proximal two-thirds of the tibia Proximal half of the fibula Origin of the medial head (medial digital flexor): Proximal tibia Insertion: Flexor process of the distal phalanx of digits 2-5 Innervation: Tibial n. Action: Extend the tarsus Flex digits 2-5 |
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What are the OIAI's of the caudal tibial m.?
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Origin:
Proximal fibula medially Proximal caudal tibia Insertion: Tarsal ligaments Innervation: Tibial n. Action: Extend the tarsus |
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What are the OIAI's of the popliteus m.?
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Origin:
Fossa for the popliteus muscle on the lateral condyle of the femur Sesamoid bone located in the tendon of origin Insertion: Proximal third of the caudal surface of the tibia Innervation: Tibial n. Action: Rotate the crus medially Flex the stifle |
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What are the OIAI's of the soleus m.?
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Present in the cat, Not in the dog
Origin: Proximal fibula Insertion: Common calcaneal tendon Innervation: Tibial n. Action: Extend the tarsus, maybe prepare the cat for pouncing. #5 in the picture. |
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Name the muscles of the transverse section of the left crus?
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there's the key
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The tendon of which crural muscle has a sesamoid bone in it?
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The popliteus m.
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What structures course through the flexor canal?
What does it course between? |
Lateral head of the deep digital flexor m.
Tibial n. – medial and lateral plantar nn. Saphenous a. – caudal br. Medial saphenous v. – caudal br. Lymphatics Flexor retinaculum courses between the tuber calcanei and sustentaculum tali of the calcaneus |
