Last night, I was forced to run on a treadmill instead of on trails. I ran for about an hour and afterwards when I was stretching I felt like there was a bubble behind my left knee cap. I have also gotten similar effects when I run on concrete for too may days in a row.
Any ideas on what it is? Stretches to get rid of it?
for me, i usually just have to try to pop the joint for this to go away.
This began occurring after runners' knee caused by heavy shoes so maybe this has been the case for you?
Yes, its your bursa sac. Do some research, see if you need it drained.
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