Just a thought...: It may very well be that you are straining your abdominal muscles , particularly in the UPPER ("stomach") muscle groups by hanging on to the handlebars of your bike a bit tightly over that 6 miles. Just a thought! Hope it's helpful! Dr Z
Answered 11/4/2019
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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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