II. Anatomy: Muscles of the Thigh

  1. Thigh Muscles primarily act at the knee
  2. Quadriceps (anterior thigh)
    1. Innervation via femoral nerve
    2. Quadriceps contraction results in knee extension
    3. Quadriceps are a group of 4 Muscles
      1. Rectus femoris Muscle
      2. Vastus lateralis Muscle
      3. Vastus medialis Muscle
      4. Vastus intermedius Muscle
  3. Hamstrings (posterior thigh)
    1. Innervation via sciatic nerve
    2. Hamstring contraction results in knee flexion
    3. Hamstrings are a group of 3 Muscles
      1. Biceps femoris Muscle
      2. Semimembranosus Muscle
      3. Semitendinosus Muscle

III. Anatomy: Images

  1. See Vascular Anatomy of the Thigh
  2. Neuroanatomy of the Leg
  3. Hip Joint
  4. Femur Bone
  5. ThighAnatomyMusclePosterior.gif
  6. ThighAnatomyMuscleAnterior.gif
  7. orthoLegHipMusclesGrayBB430.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  8. orthoLegThighMidXsGrayBB432.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  9. orthoLegThighMedialGrayBB433.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  10. orthoLegThighPosteriorGrayBB434.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
  11. orthoLegThighLandmarksGrayBB1238.gif Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)

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