What Does a Sudden Muscle Spasm in the Lumbar Spine Indicate?
1. Introduction A sudden muscle spasm in the lumbar spine indicates an acute protective reflex initiated by the central nervous system in response to perceived structural instability, tissue damage, or neurological irritation. When an intervertebral disc, facet joint, or spinal ligament is compromised, the body automatically commands the surrounding musculature to contract forcefully and involuntarily. … Read more