Exam 2: Leg

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brau2308
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159571
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Exam 2: Leg
Updated:
2012-06-21 14:29:34
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anatomy leg
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review of 6/21 lecture on the leg for exam 2
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  1. Which bone of the leg is weight bearing?
    tibia
  2. What is the extend of the leg?
    extends between the knee and ankle
  3. What are the bones of the leg?
    tibia and fibula
  4. What holds the tibia and fibula together?
    interosseous membane
  5. What are the functions of the leg?
    • weight bearing
    • propulsion for locomotion 
  6. What vein is found in the superficial fascia of the leg?
    saphenous veins
  7. Where do the saphenous veins arise from?
    dorsal venous plexus of foot
  8. Where does the great saphenous vein ascend?
    anteriorly to medial malleolus and continues on medial side of leg and thigh
  9. What is the great saphenous vein a tributary of?
    fermoral vein
  10. Where does the lesser saphenous vein ascend?
    posteriorly to the lateral malleolus and continues on back of leg
  11. What is the lesser saphenous vein a tributary of?
    popliteal vein
  12. Cutaneous innervation of the leg is provided by which nerves?
    • posterior femoral cutaneous
    • saphenous
    • supeficial peroneal
    • lateral and medil sural cutaneous   
  13. Where does the deep investing fascia of the leg attach?
    to anterior and medial borders of tibia
  14. How many intermuscular septa extend from the crural fascia to the fibula?
    2
  15. What are the names of the intermuscular septa that extend from the crural fascia to the fibula?
    anterior and posterior
  16. What divides the leg into three muscular compartments?
    the interosseous membrane with the intermuscular septa
  17. What are the compartments of the leg?
    • anterior
    • lateral
    • posterior 
  18. What are contained in the compartments of the leg?
    groups of muscles that provide movement at the ankle and foot
  19. What is contained in the anterior compartment of the leg?
    dorsiflexors of the ankle
  20. What nerve innervates the anteror compartment of the leg?
    deep peroneal n.
  21. Which nerve does the deep peroneal n. branch from?
    common peroneal n.
  22. What provides blood supply to the anterior compartment of the leg?
    anterior tibial artery
  23. Which artery does the anterior tibial artery branch from?
    popliteal a.
  24. What is contained in the lateral compartment of the leg?
    two peroneal muscles, or evertors of the foot
  25. When you see peroneus, think:
    everts foot (soles out)
  26. Which nerve innervates the lateral compartment of the leg?
    superficial peroneal n.
  27. Which nerve does the superficial peroneal n. branch from?
    common peroneal n.
  28. Which artery supplies the lateral compartment of the leg?
    fibular circumflex arteries
  29. Which artery do the fibular circumflex arteries branch from?
    peroneal artery
  30. What bony structure do the peroneus longus and brevis pass behind?
    lateral malleolus
  31. What is unique about the tendon of the peroneus longus?
    passes under foot to insert on medial side of foot
  32. What are the two muscle groups of the posteior compartment of the leg?
    superficial and deep groups
  33. Which nerve innervates the posterior compartment of the leg?
    tibial nerve
  34. Which musclesare contained in the superficial group of the posterior leg?
    "calf" muscles
  35. What do the calf muscles contribute to in the distal end of the posterior compartment of the leg?
    calcaneal (Achilles) tendon
  36. What artery supplies the posterior compartment of the leg?
    posterior tibial artery and one of its branches the peroneal a.
  37. The plantaris m. can be removed and used for what?
    to repair or replace another muscle
  38. What is a common injury to the plantaris m?
    the tendon can snap and be extremely painful
  39. What are the triceps surae?
    gastrocnemius and soleus mm. (calf mm)
  40. The popliteal artery splits to form what?
    Posterior tibial a. and anterior tibial a.
  41. What does the anterior tibial a. pass through to reach the anterior leg?
    the proximal opening of the interosseous membrane
  42. Which side does the anterial tibial a. split to? Lateral or medial?
    lateral 
  43. Which side does the posterior tibial a. split to?
    medial
  44. What is the branch of the posterior tibial a. in the posterior leg?
    peroneal a (branches medially to the post. tibial a.)
  45. What are the branches of the peroneal a?
    fibular circumflex aa.
  46. What do the fibular circumflex aa. supply?
    lateral compartment of leg
  47. What are the branches of the sciatic n?
    tibial and common peroneal
  48. Which side does the common peroneal n. split to? (lateral or medial?)
    lateral 
  49. Which side does the tibial n. split to? (lat. or med?)
    medial
  50. What does the common peroneal n. branch into?
    • deep peroneal n.
    • superficial peroneal n. 
  51. What does the deep peroneal n. supply?
    anterior compartment of leg
  52. What does the superficial peroneal n. supply?
    lateral compartment of leg

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