case study 5.docx - Brooke Arrington Part V Seeing the Orthopedic Surgeon#2 1 What are the primary movements of the knee joint The primary movements of

case study 5.docx - Brooke Arrington Part V Seeing the...

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Brooke Arrington Part V- Seeing the Orthopedic Surgeon #2 1. What are the primary movements of the knee joint? The primary movements of the knee joint are flexion and extension. Rotation of the knee is bad and is probably the cause of Elaine’s ACL tear. 2. What muscle groups are the most important in flexion and extension of the knee? The muscle groups that are most important in flexion and extension of the knee are the quadriceps in the anterior thigh control extension of the leg while hamstrings (in the calf) control extension. These are both very large muscles which provide most of the stability of the knee. 3. What happens to muscle and bone tissue when they are not used? When muscles and bone tissue are not used, they can atrophy or breakdown over time. If atrophy is prolonged, muscle cells die. 4. Why could a tendon be used to replace a ligament? Hint : think histology. Tendons and ligaments are both bands of fibrous connective tissue and are similar in histology. A
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  • Fall '16
  • AC
  • Collagen

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