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28 Cards in this Set
- Front
- Back
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origin extensor digitorum brevis
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floor of the sinus tarsi and ant. process of calcaneus
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insertion extensor digitorum brevis
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lateral aspect of ext. digitorum longus tendons 2, 3, 4, within extensor expansion
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action extensor digitorum brevis
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dorsiflex toes 2,3,and 4 at MPJs
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Nerve supply extensor digitorum brevis
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lateral terminal branch of deep fibular
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arterial supply extensor digitorum brevis
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lateral tarsal A.
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origin extensor hallucis brevis muscle
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floor of the sinus tarsi and ant. process of calcaneus
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insertion extensor hallucis brevis muscle
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dorsal aspect of base of prox. phalanx of hallux
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action extensor hallucis brevis muscle
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dorsiflex hallux at MPJ
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nerve supply extensor hallucis brevis muscle
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lateral terminal branch of deep fibular N.
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arterial supply extensor hallucis brevis muscle
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lateral tarsal A.
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where is the proximal tibiofibular joint located
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between head of fibula and lateral condyle of tibia
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structural classification of prox. tibiofibular joint
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planar or gliding synovial joint
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functional classification of prox. tibiofibular joint
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diarthrosis
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arterial supply of prox. tibiofibular joint
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-inf. lateral genicular A.
-ant. tibial recurrent a. |
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nerve supply to prox. tibiofibular joint
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-common fibular
-n. to popliteus |
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fibers of the interosseous membrane travel in what direction?
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proximal medial to distal lateral
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the distal tibiofibular joint is AKA...
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tibiofibular syndesmosis
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structural classification of distal tibiofibular joint
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sydesmotic fibrous joint
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functional classification of distal tibiofibular joint
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amphiarthrosis
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where is distal tibiofibular joint located
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between fibular notch of tibia and roughened triangular area on medial aspect of the fibular distal extremity
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arterial supply to distal tibiofibular joint
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-perforating fibular
-anterior medial malleolar -post. lateral malleolar |
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nerve supply to distal tibiofibular joint
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-deep fibular
-tibial -saphenous |
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structural classification of ankle joint
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synovial ginglymus (hinge)
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functional classification of ankle joint
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diarthrosis
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ankle joint is AKA
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talocrural joint
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what nerves innervate the ankle joint
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-tibial (posteromedial)
-deep fibular (anterior) -sural (posterior lateral) -saphenous (anterior medial) -NOT superficial fibular |
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distal anterior tibiofibular lig. connnects where
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ant. border of fibular notch of tibia --->ant. border of fibula and ant. edge of triangular are on distal extremity of fibula
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purpose of distal anterior tibiofibular lig...
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helps prevent separation of fibula from tibia
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