Why do my lower back muscles intensely spasm after laying heavy brick or stone?
1. Introduction Intense lower back muscle spasms after laying heavy brick or stone are a powerful neurological defense mechanism triggered by severe biomechanical overload and acute fatigue of the lumbar stabilizing musculature. Masonry work requires continuous, repetitive cycles of spinal flexion—bending forward—combined with lifting heavy, dense materials. Over several hours, this postural strain induces a … Read more