Unit 8

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Author:
Anonymous
ID:
245684
Filename:
Unit 8
Updated:
2013-11-07 14:34:03
Tags:
muscles leg
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Description:
PTAP 116
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  1. Muscles - Extensors of Ankles and Toes
    • 1. Tibialis Anterior
    • 2. Extensor Digitorum Longus
    • 3. Extensor Hallucis Longus
  2. Tibialis Anterior
    • A: invert,   dorsiflex
    • O: lateral   condyle of tibia; lateral surface of tibia; interosseous membrane
    • I: medial   cuneiform, base of 1st metatarsal
    • N: deep   peroneal
  3. Extensor Digitorum Longus
    • A: extend   toes 2-5, dorsiflex, evert
    • O: lateral   condyle of tibia; proximal anterior shaft of fibula, interosseous membrane
    • I: middle   and distal phalanges of toes 2-5
    • N: peroneal
  4. Extensor Hallucis Longus
    • A: extend   hallux, dorsiflex, invert
    • O: middle   anterior surface of fibula, interosseous membrane
    • I: distal   phalange of hallux
    • N: deep   peroneal
  5. Muscles - Flexors of Ankles and Toes
    • 1. Tibialis Posterior
    • 2. Flexor Digitorum Longus
    • 3. Flexor Hallucis Longus
  6. Tibialis Posterior
    • A: invert,   plantarflex
    • O: proximal,   posterior shafts of tibia and fibula, interosseous membrane
    • I: all   five tarsal bones and bases of metatarsals 2-4
    • N: tibial
  7. Flexor Digitorum Longus
    • A: flex   toes 2-5, weak plantarflexion, invert
    • O: middle   posterior surface of tibia
    • I: distal   phalanges of toes 2-5
    • N: tibial
  8. Flexor Hallucis Longus
    • A: flex   hallux, weak plantarflexion, invert
    • O: middle   half of posterior fibula
    • I: distal   phalange of hallux
    • N: tibial
  9. Muscles - Foot
    • Dorsal Surface
    • 1. Extensor Digitorum Brevis
    • 2. Extensor Hallucis Brevis
    • Plantar Surface - 1 st Layer
    • 3. Flexor Digitorum Brevis
    • 4. Abductor Hallucis
    • 5. Abductor Digiti Minimi
    • 2 nd Layer
    • 6. Quadratus Plantae
    • 7. Lumbricals
    • 3 rd Layer
    • 8. Flexor Hallucis Brevis
    • 9. Adductor Hallucis
    • 10. Flexor Digiti Minimi
    • 4th Layer
    • 11. Plantar Interossei
    • 12. Dorsal Interossei
  10. Extensor Digitorum Brevis
    • A: extend   toes 2-4 (MTP, PIP and DIP joints)
    • O: NA
    • I: NA
    • N: deep   peroneal
  11. Extensor Hallucis Brevis
    • A: extend   first toe (MTP joint)
    • O: NA
    • I: NA
    • N: deep   peroneal
  12. Flexor Digitorum Brevis
    • A: flex   toes 2-5 (PIP joints)
    • O: NA
    • I: NA
    • N: Tibial
  13. Abductor Hallucis
    • A: abduct   first toe (MTP joint)
    • O: NA
    • I: NA
    • N: Tibial
  14. Abductor Digiti Minimi
    • A: flex   fifth toeassist   to abduct fifth toe (MTP joint)
    • O: NA
    • I: NA
    • N: Tibial
  15. Quadratus Plantae
    • A: assist flexor digitorum longus to flex toes 2-5
    • O: NA
    • I: NA
    • N: Tibial
  16. Lumbricals
    • A: flex   toes 2-5 (MTP joints)extend   toes 2-5 (PIP and DIP joints)
    • O: NA
    • I: NA
    • N: tibial
  17. Flexor Hallucis Brevis
    • A: flex   first toe (MTP joint)
    • O: NA
    • I: NA
    • N: tibial
  18. Adductor Hallucis
    • A: adduct   first toe (MTP joint)  assist to flex first toe
    • O: NA
    • I: NA
    • N: tibial
  19. Flexor Digiti Minimi
    • A: flex   fifth toe (MTP joint)
    • O: NA
    • I: NA
    • N: tibial
  20. Plantar Interossei
    • A: adduct   toes 3-5 (MTP joints)flex   toes 3-5 (MTP joints)
    • O: NA
    • I: NA
    • N: tibial
  21. Dorsal Interossei
    • A: abduct   toes 2-4 (MTP joints)flex   toes 2-4 (MTP joints) \
    • O: NA
    • I: NA
    • N: tibial
  22. Muscles - Lower Leg
    • 1. Gastrocnemius
    • 2. Soleus
    • 3. Plantaris
    • 4. Popliteus
    • 5. Peroneus Longus
    • 6. Peroneus Brevis
  23. Gastrocnemius
    • A: flex   knee, plantarflex
    • O: condyles   of the femur, posterior surfaces
    • I: calcaneus   via calcaneal tendon
    • N: tibial
  24. Soleus
    • A: plantarflex
    • O: soleal   line; proximal, posterior tibia; posterior aspect of head of fibula
    • I: calcaneus   via calcaneal tendon
    • N: tibial
  25. Plantaris
    • A: weak   plantarflexion & knee flexion
    • O: lateral   supracondylar line of the femur
    • I: calcaneus   via calcaneal tendon
    • N: tibial
  26. Popliteus
    • A: IR   knee, flex knee
    • O: lateral   condyle of femur
    • I: proximal,   posterior aspect of tibia
    • N: tibial
  27. Peroneus Longus
    • A: evert,   assists plantarflexion
    • O: head   of the fibula; proximal 2/3 of lateral fibula
    • I: base   of 1st metatarsal, medial cuneiform
    • N: superficial peroneal
  28. Peroneus Brevis
    • A: evert,   plantarflex
    • O: distal   2/3 of lateral fibula
    • I: tuberosity   of 5th metatarsal
    • N: superficial   peroneal

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