muscles and nerves

  1. Rectus femoris
    flex thigh, extend knee
  2. Sartorius
    flex thigh, flex knee
  3. Iliopsoas
    most powerful thigh flexor
  4. Tensor fascia latae
    • abducts and flexes thigh
    • extends knee
  5. Pectineus
    flex and ADDuct thigh
  6. Gracilis
    • flex knee
    • ADDuct hip
  7. Adductor magnus
    • ADDuct thigh
    • Extends thigh
  8. Obturator externus
    • ADDuct thigh
    • short lateral rotator of thigh
  9. Extensor digitorum brevis
    • extension first four toes at all joints
    • deep fibular nerve
  10. Obturator nerve
    • VPR of L2-L4; ventral plexus
    • ADDucts thigh
    • cutaneous to medial thigh
  11. Femoral nerve
    • VPR of L2-L4; dorsal plexus
    • extends thigh
    • cutaneous to skin of ant/med thigh and med leg/foot
  12. Tibial nerve
    • VPR of L4-S3 sacral, ventral plexus
    • hamstrings (except short biceps), extends thigh
  13. Common fibular
    • VPR L4-S2 sacral plexus
    • short biceps, ant/lat leg, dorsum foot
  14. Tibialis anterior
    • Deep fibular nerve (L4-L5)
    • dorsiflex and invert foot
  15. Extensor digitorm longus
    • Deep fibular nerve (L4-L5)
    • extends lateral four digits and dorsiflexes ankle
  16. Extensor hallucis longus
    • deep fibular nerve (L4-L5)
    • extends great toe and dorsiflexes ankle
  17. Fibularis tertius
    • deep fibular nerve (L4-L5)
    • dorsiflexes ankle and aids in eversion of foot
  18. Fibularis longus
    • superficial fibular nerve (L5-S2)
    • everts foot and weakly plantarflexes ankle
  19. Fibularis brevis
    • Superficial fibular nerve (L5-S2)
    • Everts foot and weakly plantarflexes ankle
  20. Gastrocnemius
    • Tibial nerve (S1-S2)
    • plantarflexes ankle when knee extended
    • raises heel while walking
    • flexes leg at knee joint
  21. Soleus
    • Tibial nerve (S1-S2)
    • plantarflexes ankle
    • steadies leg on foot
  22. Plantaris
    • tibial nerve (S1-S2)
    • weakly assists gastrocnemius in plantarflexing ankle
  23. Tibial nerve
    • posterior compartment leg, from sciatic nerve
    • S1-S2
  24. Deep fibular nerve
    • anterior compartment
    • L4-L5
    • from common fibular nerve (from sciatic)
  25. Superficial fibular nerve
    • lateral compartment
    • from common fibular nerve
    • L5-S2
  26. Popliteus
    • tibial nerve (L4-S1)
    • weakly flexes knee
    • unlocks it by rotating femur on fixed tibia
    • medially rotates tibia of unplanted limb
  27. flexor hallucis longus
    • tibial nerve (S2-S3)
    • flexes big toe
    • weakly plantarflexes ankle
    • supports medial longitudinal arch of foot
  28. Flexor digitorum longus
    • tibial nerve (S2-S3)
    • flexes lateral four digits
    • plantarflexes ankle
    • supports longitudinal arches of foot
  29. tibialis posterior
    • tibial nerve (L4-L5)
    • plantarflexes ankle
    • inverts foot
  30. Tibialis posterior
    inversion of foot
  31. flexor digitorum longus
    inversion of foot
  32. flexor hallucis longus
    inversion of foot
  33. tibialis anterior
    inversion of foot
  34. extensor hallucis longus
    inversion of foot
  35. extensor digitorum longus
    eversion of foot
  36. peroneus brevis
    eversion of foot
  37. peroneus tertius
    eversion of foot
  38. abductor hallucis
    • first layer plantar foot
    • abducts big toe
  39. flexor digitorum brevis
    • first layer plantar foot
    • flexes lateral four digits
    • medial plantar nerve
  40. abductor digiti minimi
    • abducts lateral four digits
    • first layer plantar foot
    • lateral plantar nerve
  41. flexor digitorum longus
    • second layer plantar foot
    • flex lateral four digits
  42. quadratus plantae
    • second layer plantar foot
    • lateral plantar nerve
  43. lumbricals
    • second layer plantar foot
    • flex metatarsalphalangeal joint
    • extend interphalangeal joint
    • lateral plantar nerve (2-4)
  44. tendon flexor hallucis longus
    • second layer plantar foot
    • flexes big toe
  45. flexor hallucis brevis
    • third layer plantar foot
    • splits into ABDuctor hallucis and ADDuctor hallucis
    • medial plantar nerve
  46. adductor hallucis
    • third layer plantar foot
    • adducts big toe
    • lateral plantar nerve
  47. flexor digiti minimi brevis
    • third layer plantar foot
    • flexes four lateral digits
    • lateral plantar nerve
  48. plantar interossei
    • ADDuct lateral three digits
    • fourth layer plantar foot
    • lateral plantar nerve
  49. dorsal interossei
    • ABDuct lateral four digits
    • fourth layer plantar foot
    • lateral plantar nerve
  50. fibularis longus
    fourth layer plantar foot
  51. tibialis posterior
    fourth layer plantar foot
  52. ABDuctor hallucis
    medial plantar nerve
  53. Medial plantar cutaneous
    medial sole and plantar of first 3 digits
  54. Deep fibular cutaneous
    dorsal skin between 1st two toes
  55. Superficial fibular nerve cutaneous
    dorsal skin
  56. lateral plantar cutaneous
    lateral sole and plantar last 1 1/2 digits
Author
embryo
ID
132773
Card Set
muscles and nerves
Description
MS1/Mod 5: anatomy
Updated