Usually, PTFS is: A result of a biomechanical abnormality where there's a high angle between your leg and thigh (q angle) resulting in an increased amount of stress on the patella and patellar tendon.
Answered 2/13/2013
5.7k views
Yes: The pressure of jumping without bending your knees will force the locking of the patella against the tibia bone. This will cause a shock effect to the tibia, patella and the femur leading to your pain.
Answered 1/28/2017
5.7k views
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