| Term 
 | Definition 
 
        | O: medial head - posterior surface of medial femoral condyle lateral head - posterior surface of lateral femoral condyle
 I: posterior surface of calcaneus (Achilles tendon)
 A: ankle plantarflexion; knee flexion
 I: tibial nerve (S1, S2)
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        | Term 
 | Definition 
 
        | O: lateral supracondylar ridge of femur and oblique popliteal ligament I: posterior surface of calcaneus; may be part of Achilles tendon or separate
 A: ankle plantarflexion
 I: tibial nerve (L4-S1)
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        | Term 
 | Definition 
 
        | O: posterior surface of proximal fibula and proximal 2/3 of posterior tibial surface I: posterior surface of calcaneus (Achilles tendon)
 A: ankle plantarflexion
 I: tibial nerve (S1, S2)
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        | Term 
 | Definition 
 
        | O: posterior surface of upper half of interosseous membrane and adjacent surfaces of tibia and fibula I: navicular tuberosity, sustentaculum tali, cuneiforms, cuboid, base of 2-4 MT
 A: ankle plantarflexion and inversion
 I: tibial nerve (L5, S1)
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        | Term 
 | Definition 
 
        | O: middle 1/3 of posterior surface of tibia I: base of distal phalanx of toes 2-5
 A: flexion of toes 2-5 at MTP, PIP, and DIP jts.; ankle inversion and plantarflexion
 I: tibial nerve (L5-S1)
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        | Term 
 | Definition 
 
        | O: tuberosity of calcaneus; plantar aponeurosis I: medial and lateral aspects of 2-5 middle phalanxes
 A: MP and PIP flexion of 2-5 phalanges
 I: medial plantar nerve (L4, L5)
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        | Term 
 | Definition 
 
        | O: middle 2/3 of posterior surface of fibula I: base of distal phalanx of great toe, plantar surface
 A: flexion of great toe at MTP and IP jts.; ankle inversion and plantarflexion
 I: tibial nerve (L5-S2)
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        | Term 
 | Definition 
 
        | O: cuboid; 3rd cuneiform I: medial head - medial aspect of 1st proximal phalanx
 lateral head - lateral aspect of 1st proximal phalanx
 A: MP flexion of 1st phalange
 I: medial plantar nerve (L4-S1)
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        | Term 
 | Definition 
 
        | O: head and upper 2/3 of lateral surface of fibula I: undersurfaces of 1st cuneiform and 1st MT
 A: ankle eversion and plantarflexion
 I: superficial peroneal nerve (L4-S1)
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        | Term 
 | Definition 
 
        | O: lower 2/3 of lateral surface of fibula I: tuberosity of 5th MT
 A: ankle eversion and plantarflexion
 I: superficial peroneal nerve (L4-S1)
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        | Term 
 
        | Extensor Digitorum Longus |  | Definition 
 
        | O: lateral condyle of tibia, head of fibula, upper 2/3 of anterior surface of fibula I: anterior surface of middle and distal phalanges 2-5
 A: extension of phalanges 2-5 at MTP, PIP, and DIP jts.; ankle dorsiflexion and eversion
 I: deep peroneal nerve (L4-S1)
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        | Term 
 | Definition 
 
        | O: middle 2/3 of medial surface of anterior fibula I: base of distal phalanx of great toe
 A: extension of great toe at MTP and IP jts.; ankle dorsiflexion; assists with ankle inversion
 I: deep peroneal nerve (L4-S1)
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        | Term 
 | Definition 
 
        | O: upper 2/3 of lateral surface of tibia I: inner surface of medial cuneiform and base of 1st MT
 A: ankle dorsiflexion and inversion
 I: deep peroneal nerve (L4-S1)
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        | Term 
 | Definition 
 
        | O: tuberosity of calcaneus; plantar aponeurosis I: lateral aspect of 5th proximal phalanx
 A: MP abduction of 5th phalange
 I: lateral plantar nerve (S1, S2)
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        | Term 
 | Definition 
 
        | O: tuberosity of calcaneus; flexor retinaculum; plantar aponeurosis I: medial aspect of base of 1st proximal phalanx
 A: MP flexion; abduction of 1st phalanx; assists with forefoot adduction
 I: medial plantar nerve (L4, L5)
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        |  | 
        
        | Term 
 | Definition 
 
        | O: distal 1/3 of anterior fibula I: base of 5th MT
 A: ankle eversion and dorsiflexion
 I: deep peroneal nerve (L4-S1)
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        | Term 
 
        | Flexor Digiti Minimi Brevis |  | Definition 
 
        | O: base of 5th metatarsal; sheath of peroneus longus tendon I: lateral aspect of base of 5th proximal phalanx
 A: MP flexion of 5th phalange
 I: lateral plantar nerve (S2, S3)
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        | Term 
 | Definition 
 
        | O: medial head – medial surface of calcaneus lateral head – lateral border of inferior surface of calcaneus
 I: lateral margin of flexor digitorum longus tendon
 A: DIP flexion of 2-5 phalanges
 I: lateral plantar nerve (S2, S2)
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