2 ideas: If the knots are primarily in the muscles of your back and neck then you may have trigger points similar to muscle spasms. If they are in the skin but deep it could be lipomas - they can be tender at times. See a doctor to get the right diagnosis.
Answered 9/28/2016
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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
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