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Muscles of the thigh

Organization of the thigh compartments and muscle groups, with attachments, actions and innervation of the anterior, medial and posterior muscles.

  • 20 explained questions
  • 19 flashcards
  • 115 estimated course minutes

Updated

What you will learn

  • Map the two thigh compartments and the three muscle groups within their fascial organization.
  • Describe the attachments, actions and innervation given for each muscle studied.
  • Relate sartorius, gracilis and semitendinosus to the pes anserinus and locate the femoral triangle.

Course outline

  1. Reading the thigh as a system of compartments

    Build the regional map of the thigh before studying each muscle's attachments and nerves.

    10 min

  2. Anterior group: sartorius and its layer relationships

    Place sartorius in the superficial layer and specify its attachments, movements and nerve supply.

    14 min

  3. Quadriceps femoris and articularis genus

    Distinguish the four quadriceps heads, their common tendon, and the muscle that moves the suprapatellar bursa.

    25 min

  4. Medial group: five adductors in three layers

    Describe the layers, attachments, actions and innervation of adductor magnus, adductor brevis, adductor longus, pectineus and gracilis.

    28 min

  5. Posterior group: the hamstrings

    Link the ischial origins, tibial or fibular insertions and actions of the three hamstrings.

    22 min

  6. Pes anserinus and femoral triangle: two surface landmarks

    Consolidate the shared medial insertions and the boundaries of Scarpa's triangle, then understand their practical value.

    16 min

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