By "knots": I assume you mean "cramps" Standing for long periods of time can cause muscle cramps! If these occur too "quickly" have your FEET/SHOES checked out ...you may have a foot support problem("flat feet") Hope this helps! Dr Z
Answered 5/27/2017
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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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