Leg muscles

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Author:
Ghoelix
ID:
147258
Filename:
Leg muscles
Updated:
2012-04-12 13:06:36
Tags:
Leg muscles
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Description:
Leg muscles
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  1. Tibialis anterior
    • O:
    • Lateral condyle, lateral surface of tibia

    • I:
    • Medial cuneiform, metatarsal 1

    • F:
    • Dorsiflexes foot, inverts foot
  2. Extensor digitorum
    • O:
    • Lateral condyle of tibia
    • Anterior surface of fibula
    • Interosseous membrane

    • I:
    • Middle and distal phalanges of phalnges 2 - 5

    • F:
    • Extends digits ( toes )
  3. Extensus hallucis longus
    • O:
    • Anterior surface of fibula
    • Interosseous membrane

    • I:
    • Distal phalanx of digit 1 ( the big toe )

    • F:
    • Extends big toe ( halux )
  4. Fibularis Tertius
    • O:
    • Anterior surface of fibula
    • Interosseous membrane

    • I:
    • Metatarsal 5
  5. Fibularis longus
    • O:
    • Head and lateral surface of fibula

    • I:
    • Medial cuneiform
    • Metatarsal 1 ( plantar surface )

    • F:
    • Plantar flexion ( pointing sole of foot down )
    • Everting foot ( pointing sole of foot laterally )

    It is on lateral side of leg, higher up than brevis.
  6. Fibularis brevis
    • O:
    • Lateral surface of fibula

    • I:
    • Metatarsal 5

    • F:
    • Plantar flexes, everts foot

    It is on lateral side of leg, lower than longus.
  7. Gastrocnemeus
    • O:
    • Medial head - medial condyle of femur / popliteal surface of femur
    • Lateral head - lateral condyle of femur / lateral femoral condyle

    • I:
    • Tendo calcaneous to calcaneus

    • F:
    • Plantar flexion, flexes leg at knee
  8. Soleus
    • O:
    • Head of fibula, upper 1/4 of posterior surface of fibula, soleal line, medial border of tibia

    • I:
    • Tendo calcaneus

    • F:
    • Plantar flexes foot
  9. Plantaris
    • O:
    • Laera supracondylar line of femur

    • I:
    • to loooong tendon to tendo calcaneus

    • F:
    • plantar flexes foot
  10. Tibialis posterior
    • O:
    • Posterior surface of tibia and fibula, interoseous membrane

    • I:
    • Navicular
    • Cuneiforms
    • Cuboid
    • Metatarsals 2 - 4

    • F:
    • Plantar flexes foot, inverts foot ( points sole medially )
  11. Flexor digtorum longus
    • O:
    • Posterior surface of tibia

    • I:
    • distal phalanges 2 - 5

    • F:
    • Flexes digits ( toes )
  12. Flexor hallucis longus
    • O:
    • Posterior surface of fibula
    • Interosseous membrane

    • I:
    • Distal phalanx of hallux ( big toe )

    • F:
    • Flexes big toe
  13. Popliteus
    • O:
    • Lateral condyle of femur

    • I:
    • Posterior surface of tibia

    • F:
    • Flexes leg, rotates leg medially, rotates femur during standing and walking

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