Leg Muscles

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  1. Tibialis Anterior Origin
    upper 2/3 of lateral tibial shaft and adjacent interosseous membrane
  2. Tibialis Anterior Insertion
    medial and inferior surface of medial cuneiform and adjacent surface on MT 1
  3. Tibialis Anterior Function
    dorsiflexion, inversion, and supports arches
  4. Tibialis Anterior Innervation
    Deep fibular nerve (L4 L5)
  5. Tibialis Anterior Blood Supply
    anterior tibial artery
  6. Extensor Hallucis Longus Origin
    middle 1/2 of the medial fibula and the adjacent surfaces of the interosseous membrane
  7. Extensor Hallucis Longus Insertion
    superior (dorsal) surface of the first distal phalanx
  8. Extensor Hallucis Longus Function
    dorsiflexion and extends first digit
  9. Extensor Hallucis Longus Innervation
    deep fibular nerve (L5, S1
  10. Extensor Hallucis Longus Blood Supply
    anterior tibial artery
  11. Extensor Digitorum Longus Origin
    upper 1/2 of medial fibula and adjacent lateral tibial condyle
  12. Extensor Digitorum Longus Insertion
    dorsal surface of the middle and distal phalanges of the lateral 4 toes
  13. Extensor Digitorum Longus function
    extends lateral four toes and dorsiflexes
  14. Extensor Digitorum Longus Innervation
    deep fibular artery L5 S1
  15. Extensor Digitorum Longus Blood Supply
    anterior tibial artery
  16. Fibularis Tertius Origin
    distal medial fibula
  17. Fibularis Tertius insertion
    dorsomedial surface of MT 5
  18. Fibularis Tertius Fucntion
    dorsiflex and evert the foot
  19. Fibularis Tertius Innervation
    deep fibular nerve L5 S1
  20. Fibularis Tertius Blood Supply
    anterior tibial artery
  21. Fibularis Longus Origin
    upper lateral fibula and head of fibula
  22. Fibularis Longus insertion
    inferolateral and distal end of medial cueiform and base of MT 1
  23. Fibularis Longus Functions
    eversion, plantarflexion and supports arches
  24. Fibularis Longus Innervation
    superficial fibular nerver L5 S1 S2
  25. Fibularis Longus blood supply
    fibular artery
  26. Fibularis Brevis Origin
    lower 2/3 of fibula
  27. Fibularis Brevis Insertion
    base of MT 5
  28. Fibularis Brevis Function
    eversion of the foot
  29. Fibularis Brevis Innervation
    superficial fibular n L5 S1 S2
  30. Fibularis Brevis blood supply
    fibular artery
  31. Gastrocnemius Origin
    • Medial Head: posterior aspect of distal femur and superior to medial femoral condyle
    • Lateral Head: posterior lateral surface of lateral femoral condyle
  32. Gastrocnemius Insertion
    calcaneus tendon to the posterior calcaneus
  33. Gastrocnemius Function
    plantarflexion and flex leg at knee
  34. Gastrocnemius Innervation
    tibial nerve S1 S2
  35. Gastrocnemius Blood Supply
    Sural Artery
  36. Plantaris Origin
    lower part of supercondylar line and oblique popliteal ligament of knee
  37. Plantaris Insertion
    calcaneus tendon to the posterior calcaneus
  38. Plantaris Function
    Plantarflexion and flex leg at the knee
  39. Plantaris Innervation
    tibial nerve S1 S2
  40. Plantaris Blood Supply
    sural artery
  41. Soleus Origin
    soleal line and medial tibial border, posterior fibular head and tendinous arch between the tibial and fibular attachments
  42. Soleus Inserton
    calcaneus tendon to the posterior calcaneus
  43. Soleus Innervation
    tibial nerve S1 S2
  44. Soleus Blood Supply
    Sural Artery
  45. Flexor Hallucis Longus Origin
    posterior fibula and adjacent interosseous membrans
  46. Flexor Hallucis Longus Insertion
    plantar surface of 1st distal phalanx
  47. Flexor Hallucis Longus Function
    flex 1st digin and assist in plantarflexion
  48. Flexor Hallucis Longus Innervation
    tibial nerve S2 S3
  49. Flexor Hallucis Longus  Blood Supply
    fibular artery
  50. popliteus origin
    lateral femoral condyle
  51. popliteus insertion
    posterior proximal tibia
  52. popliteus function
    stabilizes knee; unlocks knee by laterally rotating the femur
  53. Popliteus Innervation
    tibial nerve L4 L5 S1 no primary
  54. Popliteus Blood Supply
    popliteal artery
  55. Flexor Digitorum Longus Origin
    medial posterior tibia
  56. Flexor Digitorum Longus Insertion
    plantar surface of the bases of the distal phalanges of the lateral four toes
  57. Flexor Digitorum Longus Function
    flexes lateral four toes and assists to plantar flex
  58. Flexor Digitorum Longus innervation
    tibial nerve S2 S3
  59. Flexor Digitorum Longus Blood Supply
    posterior tibial artery
  60. Tibialis Posterior Origin
    posterior surface of interosseous membrane and adjacent surfaces of tibia and fibula
  61. Tibialis Posterior Insertion
    navicular tuberosity and adjacent surface on medial cuneiform
  62. Tibialis Posterior Function
    inverts foot, plantar flexes, and supports medial arch during walking
  63. Tibialis Posterior Innervation
    tibial nerve L4 L5 no primary
  64. Tibialis Posterior Blood Supply
    posterior tibial artery
Card Set:
Leg Muscles
2013-09-13 13:18:57

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