It is likely to be due to muscular contractions associated with exercise. During exercise there are prime mover muscles that cause the movement, however, a lot other muscles are needed to stabilize the body and those muscles undergo isometric contraction. What you described is not a cause for concern. Keep up the exercise routine. Wish you good health!
Answered 8/26/2021
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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