-15–30%

Does cold water immersion speed next-day muscle recovery?

Ice baths are miserable—which is partly why people believe they work.

Cold water immersion is often associated with a 15–30% relative reduction in next-day soreness ratings in recovery meta-analyses—effects on strength adaptation vary.

Meta-analysis health sports

If you… 10–15 min cold water immersion after hard training vs passive rest

Then… Next-day perceived muscle soreness → -15–30%

Context Athletes and trained adults, DOMS after resistance or sprint work

📐 Plan with this benchmark Apply the range to your baseline or size an A/B test

What changes

Cold water immersion is often associated with a 15–30% relative reduction in next-day soreness ratings in recovery meta-analyses—effects on strength adaptation vary.

When this tends to work

Conditions similar to: Athletes and trained adults, DOMS after resistance or sprint work
You can measure Next-day perceived muscle soreness reliably
The intervention is implemented consistently, not half-measured

When to be careful

Your audience or product differs materially from the cited context
Compliance costs or second-order effects outweigh the lift
Evidence label is meta_analysis—treat wide ranges as planning bands, not promises