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The Knee

The Knee. Intro. The knee joint is the most complex joint in the body Most movements depend on the knee for support and mobility Supports majority of body’s weight At risk for overuse and traumatic injuries. Bones. The knee is made up of 3 major bones Tibia (lower leg) Fibula (lower leg)

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The Knee

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  1. The Knee

  2. Intro • The knee joint is the most complex joint in the body • Most movements depend on the knee for support and mobility • Supports majority of body’s weight • At risk for overuse and traumatic injuries

  3. Bones • The knee is made up of 3 major bones • Tibia (lower leg) • Fibula (lower leg) • Femur (upper leg) • Patella (knee cap)

  4. Femur • Longest bone in the body • Distal end of bone has 2 rounded prominences called Condyles • One is medial & one is lateral • These allow the knee to roll and spin on top of the tibia • Tibial Plateau – the flat top of the tibia • This the tibiofemoral joint

  5. Patella (kneecap) – rides in the groove of the distal end of the femur • This is called the patellofemoral joint • The role of the patella give greater mechanical advantage in the extension of knee • Allows flexion and extension with less force from quadricep • Retropatellar surface – the back of the patella with a thick layer of articular cartilage

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