foot & ankle muscles

Card Set Information

Author:
ehkastrup1s
ID:
62259
Filename:
foot & ankle muscles
Updated:
2011-01-27 12:58:59
Tags:
kinesiology
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Description:
muscles of foot and ankle
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  1. Extensor digitorum longus
    • Action: Extension of 2-5 MTP joint, assist w/ ext 2-5 PIP & DIP joints, assist w/ eversion and dorsiflexion
    • Origin: lateral tibial condyle, proximal 3/4 ant fibula, head of fibula

    Insertion: 4 tendons to distal phalanx of 2-5

    Innervation: deep peroneal
  2. Extensor Digitorum Brevis
    Action: ext of 1-4 MTP joints, assist w/ ext of 2-4 PIP & DIP joints

    Origin: superior lateral calcaneus, lateral talocalcaneal ligament, inferior extensor retinaculum

    Insertion: base of proximal phalanx of great toe, lat sides of extensor digi longus tendons of 2-4.

    Innervation: deep peroneal
  3. Extensor Hallucis Longus
    Action: ext of 1 MTP & IP joints, dorsiflexion

    Origin: middle 2/3 anterior fibula

    Insertion: base of distal phalanx of great toe

    Innervation: deep peroneal
  4. Flexor Digitorum Brevis
    Action: flex 2-5 PIP joints, assist w/ flex of 2-5 MTP joints

    Origin: medial calcaneal tuberosity, plantar fascia

    Insertion: 4 tendons to medial and lateral sides of middle phalanx of 2-5 toes

    Innervation: medial plantar
  5. Flexor Digitorum Longus
    Action: flex of 2-5 MTP, PIP & DIP joints, assist w/ plantarflexion & inversion

    Origin: posteromedial distal 2/3 tibia

    Insertion: plantar base distal phalanx of 2-5 toes

    Innervation: tibial
  6. Flexor Hallucis Brevis
    Action: flex of 1st MTP joint

    Origin: medial side of cuboid plantar surface

    Inserion: 2 tendons to medial and lateral sides of proximal phalanx of great toe

    Innervation: medial plantar
  7. Flexor Hallucis Longus
    Action: Flex 1st IP joint, assist w/ flex 1st MTP joint, inversion, and plantarflexion

    Origin: posterior distal 2/3 fibula

    Insertion: plantar surface of distal phalanx of great toe

    Innervation: tibial

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