Knee Joint Case Study

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1) The medial side of the knee joint is the most vulnerable to dramatic injury because usually the force sustained comes from the lateral side causing the medial collateral ligament to open up or tear. In dance the medial collateral ligament could be injured if you plant your foot and change directions quickly or uncontrolled, violent plies. Dance being a sport that is not usually super physical, your injuries come from self inflicted accidents. As dancers it is our responsibility to strengthen our muscles on our lower extremities (Quadriceps femoris group and Hamstrings group) but our ligaments are not able to be strengthened, they are just how they are. With this in mind, we can do wall sits where you are against a wall and lower slowly, …show more content…

In the spine you could possibly see lumber hyper lordosis or sway back. This is when the lumbar spine has an abnormally large curve in it. This also results in anterior pelvic tilt and inclination of the sacrum. The hips would have a deviation in the sagittal plane called genu recurvatum or hyperextension. This would cause slight flexion at the hip joint because of the anterior pelvic tilt and the swaying back of the knees.

b. describe how the locking mechanism of the knee could contribute to these technique errors and how its negative effect could be minimized.
The locking mechanism of the knee could contribute to these technique errors because of its automatic response when extending the knees while standing. When a person has hyper extended knees and their knee locks within the final 20 degrees of knee extension the person feels like their legs are perfectly straight. This is negative, because if you do not know you are doing something wrong or it feels right, it will be harder to fix. To decrease the negative effect this causes, I would make the dancer aware of their hyper extended knees and physically show them where their knees should stop extending.

c) c.Identify appropriate strength and flexibility exercises that could be utilized to maximize jump height and help prevent undesired motion of the

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