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Sore muscles after a workout: what helps

Why are muscles sore after a workout? Delayed onset muscle soreness (DOMS) usually peaks 24 to 72 hours after new exercise. What helps and when to worry.

Written by Joshua Baskin, founderLast reviewed 2 min readHow we check facts

The short version

  • Delayed onset muscle soreness (DOMS) usually shows up a day later and peaks around 24 to 72 hours.
  • It is most common after new exercises or a lot of lowering (eccentric) work.
  • Gentle movement helps you feel better. Sharp pain, swelling, or dark urine are not normal soreness.

Sore the day after leg day? That is DOMS. A review in Sports Medicine describes it peaking between 24 and 72 hours and fading within about 5 to 7 days.

What helps

  • Easy movement: a walk, easy swim or cycle.
  • Sleep and regular meals with protein.
  • Foam rolling or massage may ease the feeling short-term. See foam rolling.

Preventing it next time

Build up gradually. The second time you do a workout, soreness is usually much less.

When to get help

Seek medical care for severe pain, major swelling, weakness, or dark (cola-colored) urine after very hard exercise. These can signal a more serious condition.

Do this today

If you are sore, take a 15-minute easy walk and rate soreness before and after (0–10).

Questions people ask

Should I work out when sore?

Light activity is fine. Train other muscles or go easier on sore ones.

Does soreness mean a good workout?

Not necessarily. Progress is measured by performance over weeks, not soreness.

Does stretching prevent soreness?

Research shows stretching has little effect on DOMS.

Sources

  1. Cheung K, et al. Delayed onset muscle soreness: treatment strategies and performance factors. Sports Med, 2003. Checked October 9, 2026.
  2. Wiewelhove T, et al. A meta-analysis of the effects of foam rolling on performance and recovery. Front Physiol, 2019. Checked October 9, 2026.
  3. American College of Sports Medicine. Quantity and quality of exercise for developing and maintaining fitness in adults. Med Sci Sports Exerc, 2011. Checked October 9, 2026.

Education only. Not medical advice. Confirm with your clinician.

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