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11 Cards in this Set
- Front
- Back
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Extensor digitorum brevis |
O: Superior calcaneus, stem of inferior extensor retinaculum I: Base of proximal phalanx of great toe (as extensor hallucis brevis), dorsal extensor hoods deep to EDL of 2nd-4th toes A: Extend medial 4 toes N: Deep peroneal n. (S1, 2) |
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Flexor digitorum brevis |
O: Medial tubercle of calcaneus and deep surface of central plantar aponeurosis I: Neters flexor sheath, divides and spirals around long felxor tendon, partially reunites then divides again and inserts on the sides of middle phalanx of lateral 4 toes A: Flex toes in any ankle position N: Medial plantar n. (S2, 3) |
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Abductor hallucis |
O: Medial tubercle of calcaneus, flexor retinaculum I: Medial proximal phalanx of great toe A: Abducts great toe N: Medial plantar n. (S2) |
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Abductor digiti minimi |
O: Medial and lateral tubercles of calcaneus I: Lateral proximal phalanx and tubercle of fifth toe A: Abducts little toe N: Lateral plantar n. (S2, 3) |
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Quadratus plantae (flexor accessorius) |
O: Medial - medial calcaneus Lateral - lateral tubercle of calcaneus I: Tendon of FDL A: Flexes lateral 4 toes in any ankle position, straightens pull of long flexor tendons N: Lateral plantar n. (S2, 3) |
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Lumbricals |
O: Tendons of FDL (1st lumbrical is unicipital, others are bicipital) I: Medial extensor hoods of lateral 4 toes A: Maintain extension of IPs while FDL flexes toes N: 1st - medial plantar n. 2-4 - lateral plantar n. |
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Flexor hallucis brevis |
O: Plantar cuboid, plantar lateral cuneiform, tib post tendon I: Medial and lateral sides of the base of proximal phalanx of great toe through sesamoids A: Flex the proximal phalanx of great toe N: Medial plantar n. (S2, 3) |
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Adductor hallucis |
O: Oblique head - long plantar ligament and bases of 2nd, 3rd, 4th MTs Transverse head - deep transverse ligament and lateral 4 MTP plantar ligaments I: Lateral side of plantar base of proximal phalanx of great toe A: Adducts great toe, maintain transverse arch N: Lateral plantar n (S2, 3) |
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Flexor digiti minimi brevis |
O: Base of the 5th MT, sheath of peroneus longus I: Base of proximal phalanx of little toe A: Flexes little toe N: Superficial br lateral plantar n (S2, 3) |
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Plantar interosseous |
O: MTs of lateral 3 toes I: Medial 3rd, 4th, 5th digits A: Adduction towards 2nd ray N: Lateral plantar n (S2, 3) |
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Dorsal interosseous |
O: Adjacent MTs, tarsometatarsal ligaments I: 1st into medial side of 2nd toe, 2-4 into lateral sides of 2-4th toes A: Abduct away from 2nd ray N: Lateral plantar n (S2-3) |
