A member asked:

What is lumbar instability and what causes it? why are the muscles in my lower back always tight?

A doctor has provided 1 answer

Low back: Instability of the lower spine may refer to inadequate spinal or paraspinal muscles and ligaments, or spondylolisthesis producing an inadequate low back with chronic discomfort and limitation of flexibility. An orthopedic surgeon can advise you better,however.

Answered 11/6/2015

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