Everything I read about this is inconclusive. We have an entire industry dedicated to removing knots (massage), but know one seems to be able to say exactly what they are.
In: Biology
It’s a muscle that is contracting involuntarily (either partially or completely).
You might also hear it described as a “tight” muscle or a trigger point.
It can be caused by poor posture, overuse, improper technique or electrolyte imbalance (depending on what muscles we’re talking about).
It’s important to stretch and stay hydrated.
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