Test 1 ( take home )

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The Knee and Upper Leg

Structurally a weak joint.

Basic Anatomy of Knee

  • Bones of the Knee Joint
  • Structurally weak joint
  • Femur
  • Tibia
  • Fibula
  • Patella – a sesamoid bone (define)

Anatomy of the Knee

  • Besides the bones of the knee, the ligaments provide the side to side stability and the front to back stability.

Basic Anatomy of Knee

  • Ligaments of the Knee Joint

  • Medial Collateral (Tibial)
  • Lateral Collateral (Fibular)
  • Anterior Cruciate (ACL) Ligament
  • Posterior Cruciate (PCL) Ligament – least important of the ligaments of the knee.

Anatomy of the Knee

  • In addition to the bones of the knee, the next couple of slides show the muscles that surround the knee joint and actually give the joint most of its stability.

Basic Anatomy of Knee

  • Muscles of the Knee Joint

  • Quadricep Muscle Group
  • Vastus Medialis
  • Vastus Lateralis
  • Rectus Femoris
  • Vastus Intermedius

Basic Anatomy of Knee

  • Muscles of the Knee Joint – continued

  • Hamstring Muscle Group
  • Biceps Femoris
  • Semitendinosus
  • Semimembranosus

Basic Anatomy of Knee

  • Muscles of the Knee Joint – continued

  • Flexor Muscles
  • Gastrocnemius, lateral head
  • Gastrocnemius, medial head

Anatomy of the Knee

  • Now, besides the bones, ligaments, and muscles of the knee joint. There are other structures that are very important to the function of the knee.

Basic Anatomy of Knee

  • Other Structures
  • Meniscus
  • Lateral – “O” shaped, not connected to LCL
  • Medial – “C” shaped, connected to MCL
  • Fat Pads
  • Bursa Sacs – lubricative fluid
  • Synovial Sacs