A member asked:

What cause lower knots that seem to float on the lower back? can they be caused by muscle spasms?

A doctor has provided 1 answer

Muscle spasms: Most likely muscle spasms. This is the most common cause of lower back pain. Usually self limited. Take some otc anti inflammatory meds and it should resolve. If it persists see a physiatrist.

Answered 3/26/2013

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