lumbar spasm – MySymptom

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

Why does my lower back lock up completely when I try to stand up from a couch?

1. Introduction A lower back that locks up when attempting to stand from a couch is typically caused by acute muscular spasms or stiffness in the lumbar facet joints. Prolonged sitting in a flexed posture stretches the posterior ligaments and compresses the spinal discs, prompting the surrounding muscles to seize protectively when suddenly required to … Read more