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Should You Work Out With Sore Muscles? When to Train, Rest or Get Checked

A woman sitting on a bench in a home gym massaging her sore thigh, with a foam roller and water bottle nearby

Short answer: Usually yes, with adjustments. Ordinary muscle soreness after a hard or new workout (delayed onset muscle soreness, or DOMS) typically develops 24 to 72 hours later. Light exercise is the most effective way to ease it, although the relief is temporary, and a sports medicine review recommends lowering intensity and duration for 1 to 2 days or training less-affected body parts instead. Sharp pain, swelling, or dark, cola-colored urine are not normal soreness and need medical attention.

The day after leg day, the stairs feel steep. Should you train anyway, rest completely, or something in between? The answer depends on what kind of soreness you have and what you plan to do. Here is how to decide.

What you'll learn

  • How to tell normal soreness from an injury
  • When it is fine to train and how to adjust your workout
  • What actually eases soreness, according to a large review
  • Warning signs that mean stop and get checked

Normal soreness or something else?

Normal soreness (DOMS) Possible injury or problem
When it starts Typically 24–72 hours after unaccustomed or intense exercise (Mágero et al., 2026) Often sudden, during the activity
How it feels Dull, tender, stiff; spread across the worked muscles Sharp or stabbing pain in one spot, or pain that gets worse with use
Swelling or bruising Little or none Noticeable swelling or bruising
Urine Normal Dark, red or cola-colored urine can signal rhabdomyolysis (MedlinePlus)
Course Eases over a few days Does not improve, or gets worse

Should you work out while sore?

For ordinary DOMS, moving is usually better than resting completely. A review in Sports Medicine found that exercise is the most effective way to relieve the pain of DOMS, although the relief is temporary (Cheung et al., 2003). The same review recommends:

  • Reducing the intensity and duration of training for 1 to 2 days after a session that causes intense soreness.
  • Training less-affected body parts to let the sorest muscles recover.
  • Introducing new or eccentric-heavy exercises gradually over 1 to 2 weeks.

Why ease off? DOMS can reduce range of motion, shock absorption and peak force, and the way you compensate can put unusual stress on muscles, ligaments and tendons, which may raise the risk of injury if you push too hard too soon (Cheung et al., 2003).

A simple plan for sore days

How sore are you? What to do
Mild stiffness Train as planned after a longer warm-up; the stiffness often eases as you move
Moderate soreness in one area Train a different body part, or do the same movement lighter and with fewer sets
Very sore, moving hurts Choose light activity such as walking or easy cycling for 1 to 2 days
Sharp pain, swelling or dark urine Stop training and get checked

What actually eases soreness?

A 2018 meta-analysis of 99 studies compared recovery methods after exercise (Dupuy et al., 2018):

  • Active recovery, massage, compression garments, water immersion, contrast water therapy and cold exposure all reduced soreness to some degree.
  • Massage was the most effective for both soreness and perceived fatigue.
  • Stretching and some other methods showed no change.

About pain relievers: regular high-dose ibuprofen may work against your training. In an 8-week study, 1,200 mg a day reduced muscle growth compared with low-dose aspirin (Lilja et al., 2018). For more, see curcumin vs ibuprofen for muscle soreness.

The good news: it gets easier

Doing a new exercise once protects your muscles against damage from the same exercise next time, a well-documented adaptation called the repeated bout effect (McHugh, 2003). That is why the second week of a new program is usually far less painful than the first, and why building up gradually pays off.

When to stop and get checked

Stop training and contact a health care provider if you have (MedlinePlus):

  • Dark, red or cola-colored urine, or much less urine than usual
  • Severe muscle pain, weakness or swelling that is out of proportion to your workout
  • Sharp pain in one spot, a pop at the time of injury, or pain that keeps getting worse

Severe exertion, such as marathon running or intense calisthenics, is one recognized cause of rhabdomyolysis, a serious breakdown of muscle tissue (MedlinePlus).

Common myths (quick reality check)

  • Myth: No pain, no gain: soreness means a good workout. Reality: Soreness mostly reflects new or unaccustomed exercise. As your body adapts, you can train hard with little soreness.

  • Myth: You must rest completely until soreness is gone. Reality: Light exercise is the most effective way to ease DOMS, even though the relief is temporary.

  • Myth: Stretching prevents soreness. Reality: A large meta-analysis found no change in soreness from stretching.

Frequently asked questions (FAQ)

Should I work out with sore muscles?

Usually yes, if it is ordinary soreness. Lower the intensity for 1 to 2 days or train a different body part. Stop and get checked if you have sharp pain, swelling or dark urine.

Is it bad to work out the same muscle when it is sore?

Light work is fine and can ease soreness for a while. Heavy training on very sore muscles can change how you move and may raise injury risk, so go lighter for a day or two.

How long does muscle soreness last?

Delayed onset muscle soreness typically develops 24 to 72 hours after unaccustomed or intense exercise and then eases over the next few days.

What helps sore muscles the fastest?

In a meta-analysis of 99 studies, massage was the most effective method for soreness and fatigue, with active recovery, compression and cold water also helping.

When should I worry about sore muscles?

Get medical help for dark or cola-colored urine, severe pain, weakness or swelling, or sharp pain that gets worse. These can signal rhabdomyolysis or an injury.

Related guides

Disclaimer and when to seek help

This article is for general education and is not medical advice. It is not intended to diagnose or treat any condition. Seek medical care right away for dark or cola-colored urine, severe muscle pain or swelling, or pain after an injury.

References

  1. Cheung K, Hume P, Maxwell L. "Delayed onset muscle soreness: treatment strategies and performance factors." Sports Medicine, 2003;33(2):145-164. doi:10.2165/00007256-200333020-00005
  2. Mágero NRL, et al. "Imaging characterization and differential diagnosis of delayed-onset muscle soreness (DOMS) in athletes." Skeletal Radiology, 2026. doi:10.1007/s00256-026-05292-2
  3. Dupuy O, et al. "An evidence-based approach for choosing post-exercise recovery techniques to reduce markers of muscle damage, soreness, fatigue, and inflammation: a systematic review with meta-analysis." Frontiers in Physiology, 2018;9:403. doi:10.3389/fphys.2018.00403
  4. McHugh MP. "Recent advances in the understanding of the repeated bout effect." Scandinavian Journal of Medicine & Science in Sports, 2003;13(2):88-97. doi:10.1034/j.1600-0838.2003.02477.x
  5. Lilja M, et al. "High doses of anti-inflammatory drugs compromise muscle strength and hypertrophic adaptations to resistance training in young adults." Acta Physiologica, 2018;222(2):e12948. doi:10.1111/apha.12948
  6. MedlinePlus (U.S. National Library of Medicine). "Rhabdomyolysis".

About the author

Alison Hartwell is a nutrition educator in Portland, Oregon, with many years of hands-on experience in food and nutrition. She is not a licensed dietitian or medical professional, and this article is for educational purposes only. Meet Alison

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