It's not lactic acid (that's a myth), but rather a phenomenon known as DOMS, for "delayed onset muscle soreness." It's most likely to happen when you do something different than what you're used to.
Researchers have uncovered how specific patterns in brain activity can predict an individual's sensitivity to pain, expanding opportunities for improved pain management strategies.
Gao, F. (2025) Research on the Causes and Preventive Measures of Pregnancy Complicated by Acute Abdomen. Open Journal of Obstetrics and Gynecology, 15, 97-107. doi: 10.4236/ojog.2025.151010 .
Frequent muscle soreness is often a common occurrence for athletes, fitness enthusiasts, and individuals who participate in physical exercises. Resting and recovery are key for muscle healing ...