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
A “knot” can be individual muscle fibers getting stuck to other fibers due to scar tissue getting built up in a certain area or muscle layers becoming stuck to one another. This type of “knot” can feel clumpy when moved over like many points on the next and between the shoulders.
Individual muscle fibers stuck in contraction or in the “on” position before I would identify more as a trigger point which by definition is a hyper irritable hyper sensitive point in a muscle where an individual fiber is stuck in contraction. True trigger points also have the unique effect of pain referral patters (touch here but feel it over there) which lead to a lot of chronic pain issues that can be tricky to resolve due to pain referring from elsewhere. These are more of the pinpoint type areas since they can be as small as a grain of sand and not so clumpy like the ones mentioned before.
Very minute differences but thought I’d give my two cents. Advanced neuromuscular therapist by education 7 years experience in massage.
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