Table of Contents
Lie #3: Lactic Acid Causes Soreness
Lactate does not cause post-exercise muscle soreness. The simplest proof of this is the fact that very little lactate is produced during highly prolonged, low-intensity exercise, and yet it is this very type of exercise that leaves the muscles sorest in the following days. Post-exercise muscle soreness is actually caused by simple mechanical damage to muscle fibers, free radical damage, and inflammation.