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33 Cards in this Set
- Front
- Back
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Name the three muscles in the superficial posterior compartment |
-gastrocnemius -soleus -plantaris |
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What is the origin, insertion and action of gastrocnemius |
O: posterior aspect of the medial and lateral femoral condyles, capsule of knee joint I: posterior calcaneus via tendocalcaneus A: Knee flexion, Plantarflexion |
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What is the origin, insertion and action of soleus |
O: soleal line and posterior surface of the tibia, posterior surface upper third of fibula I: posterior calcaneus via the tendocalcaneus A:plantarflexion |
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What is the origin, insertion and action of plantaris |
O: lateral supracondylar ridge of the femur, knee joint capsule I: posterior calcaneus A: Plantarflexion |
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Name the three muscles in the posterior deep compartment |
-Tibialis posterior -Flexor digitorum longus - Flexor Hallucis longus (Tom, Dick, Harry) |
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What is the origin, insertion and action of tibialis posterior |
O: proximal half of the posterior tibia below the soleal line, proximal two thirds of fibula I: navicular A: plantarflexion, inversion |
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What is the origin, insertion and action of flexor digitorum longus |
O: proximal half of the medial tibia below the soleal line A: plantar flexion, inversion, toe flexion |
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What is the origin, insertion and action of flexor hallucis longus |
O: lower two thirds of the posterior fibula I: plantar surface of the base of the distal phalanx of digit 1 A: plantar flexion, inversion, digit 1 flexion |
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What two muscles are in the lateral compartment |
-Peroneal longus -Peroneal brevis |
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What is the origin, insertion and action of peroneus longus |
O: lateral proximal 2/3 of fibula I: medial cuneiform, base of metatarsal 1 A: plantarflexion, eversion |
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What is the origin, insertion and action of peroneus brevis |
O:lateral distal 2/3 of fibula I: base of metatarsal 5 A: plantarflexion, eversion |
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What are the four muscles that are in the anterior compartment |
- Tibialis anterior - extensor digitorum longus -extensor hallucis longus -peroneus teritius |
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What is the origin, insertion and action of tibialis anterior |
O: lateral proximal 2/3 of tibia I: plantar surface of the medial cuneiform, base of metatarsal 1 A: dorsiflexion, inversion |
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What is the origin, insertion and action of extensor digitorum longus |
O: proximal 2/3 anterior fibula, lateral condyle of tibia I: bases of middle and distal phalanges of digits 2-5 A: dorsiflexion, eversion, toe extension |
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What is the origin, insertion and action of extensor hallucis longus |
O: middle1/2 anterior fibula I: dorsal surface of base of distal phalanx of digit 1 A: dorsiflexion, inversion, big toe extension |
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What is the origin, insertion and action of peroneus tertius |
O: anterior distal 1/4 of fibula I: dorsal surface of base of metatarsal 5 A: dorsiflexion, eversion |
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What two muscles are dorsal of the foot |
-Extensor digitorum brevis -extensor halluscis brevis |
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What is the origin, insertion and action of extensor digitorum brevis (Dorsal of foot) |
O: upper surface of the calcaneus I: dorsal digit expansion 2-4 A:Extending of the lateral four toes at MTP and IP joints |
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What is the origin, insertion and action of extensor hallucis brevis |
O: upper surface of calcaneus I: Proximal phalanx of digit 1 A: Extending the great toe at MTP joint |
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What are the three muscles in layer-1 of the foot |
One flexor and two abductors -flexor digitorum brevis -abductor hallucis -abductor digit minimi |
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What is the origin, insertion and action of flexor digitorum brevis |
O: medial tubercle of the calcaneus I: plantar surface of the base of the middle phalanx of digits 2-5 A: Flexes the lateral four digits at the proximal IP joint |
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What is the origin, insertion and action of abductor hallucis |
O: medial tubercle of the calcaneus I: medial aspect of the base of the proximal phalanx of digit 1 A: Abducts and flexes the great toe |
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What is the origin, insertion and action of abductor digit minimi |
O: medial and lateral tunbercles of the calcaneus I: lateral aspect base of proximal phalanx digit 5 A: Abducts and flexes the 5th digit |
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What are the two muscles in layer-2 of the foot |
The long flexor tendons and two associated muscles - flexor accessorius or quadratus plantae -lumbricals |
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What is the origin, insertion and action of quadratus plantae |
O: medial and lateral tubercles of the calcaneus I: tendon of flexor digitorum longus A: Assists the FDL flexing the lateral four digits |
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What is the origin, insertion and action of lumbricals |
O: adjacent sides of the tendon of FDL I: base of proximal phalanx via dorsal digital expansion of digit 2-5 A: Flexes at the MTP and extends at the IP joints |
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What are the 3 muscles in layer- 3 of the foot |
One adductor and two flexors -adductor hallucis - flexor digit minimi - flexor hallucis brevis |
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What is the origin, insertion and action of adductor hallucis |
O:oblique head from bases of metatarsals 2,3, and 4, transverse head from plantar surface of MTP joints 3,4,5 I: lateral aspect of the base of the proximal of digit 1 (with flexor hallucis brevis) A: Adducts the great toe |
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What is the origin, insertion and action of flexor digit minimi brevis |
O: plantar surface of the base of metatarsal 5 I: plantar surface of the proximal phalanx digit 5 A: Flexes the proximal phalanx of fifth digit |
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What is the origin, insertion and action of flexor hallucis brevis |
O: plantar surface of the cuboid and adjacent lateral cuneiform I: medial and lateral aspects of the base of the proximal phalanx of digit 1 A: Flexes the great toe at the MTP joint |
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What are the muscles that are in layer 4 of the foot |
Interosseus muscles: -plantar interossei (PAD) -dorsal interossei (DAB) |
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What is the origin, insertion and action of plantar interossei |
O: base and proximal half of the shaft of metatarsals I: base of proximal phalanx digits 3,4 and 5 A: Adducts digits 3 to 5 and flex MTP joint |
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What is the origin, insertion and action of dorsal interossei |
O: proximal half of adjacent metatarsals I: side of the proximal phalanx of digits 2,3 and 4 A: Abducts digits 2-4 and flex MTP joint. |
