See a doctor: Walking up & down requires bending of the knee. It may indicate damage to the cartilage of the patella or the patellar tendon. You need evaluation by a doctor who may or may not order an xray or mri.
Answered 10/3/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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