
The Science of Delayed Onset Muscle Soreness
DOMS peaks 24 to 72 hours after unfamiliar exercise, and almost every popular remedy for it has thinner evidence than the soreness itself.
Science reports the research underlying performance: muscle physiology, energy systems, fatigue, sleep, nutrient timing, heat and altitude adaptation. Summaries include sample size, participant training level, effect size and any conflict of interest. Useful for coaches, clinicians, students and athletes who read the study before changing a program.
Exercise research summarized honestly: muscle physiology, fatigue, sleep, heat and altitude adaptation, with sample sizes and effect sizes given.

DOMS peaks 24 to 72 hours after unfamiliar exercise, and almost every popular remedy for it has thinner evidence than the soreness itself.

Lactate is fuel, not waste — and the point where it accumulates is one of the most trainable numbers in endurance sport.