Delayed Onset Muscle Soreness (DOMS)
Assessing post-exercise muscle soreness
Delayed Onset Muscle Soreness (DOMS) is the muscle soreness and stiffness that can appear after unfamiliar, harder, or higher-volume exercise. It often starts 12 to 24 hours after training, peaks around 24 to 72 hours, and usually settles over the next few days.
DOMS sits within the broader soft tissue injuries group. It can overlap with muscle pain, muscle strain, tendon overload, or a training-load error. A physiotherapist can help if your symptoms feel sharper, last longer than expected, or keep returning when you train.
DOMS Quick Guide
- Typical onset: 12 to 24 hours after exercise.
- Typical peak: 24 to 72 hours after training.
- Common trigger: new, harder, downhill, or heavy lowering exercise.
- Usual feel: dull, aching soreness rather than sharp pain.
- Best first step: keep moving gently and reduce heavy repeat loading.
Quick Recovery Checklist
- Use light activity such as walking, cycling, or gentle mobility.
- Avoid repeating the same heavy session while soreness is strong.
- Keep stretching comfortable rather than forceful.
- Prioritise sleep, hydration, and regular meals.
- Return to heavier loading over 2 to 5 days as symptoms settle.
What Is Delayed Onset Muscle Soreness?
Delayed onset muscle soreness is a short-term response to exercise that exceeds what your muscles are used to. It is common after eccentric exercise, where a muscle lengthens while working. Examples include lowering weights, downhill running, lunges, squats, stair descents, or returning to training after a break.
DOMS is usually a normal adaptation response. However, strong soreness can still affect walking, stairs, sitting down, getting out of a chair, or training quality for a few days.
What Causes DOMS?
DOMS develops when muscle fibres and surrounding connective tissue face a new or larger load. This can create temporary tissue stress, chemical sensitivity, and soreness while the muscle adapts.
It is not caused by lactic acid staying in the muscles. Lactic acid clears soon after exercise. DOMS usually reflects a delayed soreness response after unfamiliar loading, especially lengthening contractions.
When Is DOMS More Likely?
DOMS is more likely when your training changes suddenly. The risk increases when you add new exercises, return after time off, increase sets or reps quickly, run downhill, start plyometrics, or train harder than usual.
| Training change | Why it can trigger DOMS |
|---|---|
| New gym exercise | The muscle is exposed to an unfamiliar movement pattern. |
| Heavy lowering work | Eccentric loading places high demand on muscle fibres. |
| Downhill running | The quadriceps work hard while lengthening to control descent. |
| Sudden volume increase | The total workload exceeds your current recovery capacity. |
Common Symptoms of DOMS
DOMS usually feels like a dull, widespread ache in the muscles you trained. The soreness often feels worse after rest and a little easier once you warm up.
- Dull, aching muscle soreness
- Stiffness after rest or the next morning
- Tenderness when pressing the muscle
- Temporary heaviness or reduced strength
- Pain with stretching or loaded movement
- Symptoms that ease slightly with gentle warm-up
DOMS vs Muscle Strain: What Is the Difference?
DOMS usually builds later and settles within days. A muscle strain often causes sudden, sharper pain during activity and may need a longer recovery plan. This difference matters because a strain may need staged rehabilitation before you return to sprinting, lifting, sport, or heavy work.
| Feature | DOMS | Muscle strain |
|---|---|---|
| Onset | Starts later, often 12 to 24 hours after exercise. | Often sudden during a sprint, lift, stretch, or change of direction. |
| Pain feel | Dull, aching, and spread through the exercised muscle. | Sharper and more localised to one spot. |
| Bruising | Uncommon. | May occur, especially with larger tears. |
| Recovery | Often 2 to 5 days, sometimes up to a week. | Often several weeks, depending on severity. |
If the pain started suddenly during exercise, see our muscle strain treatment and recovery guide. If symptoms feel more like general soreness after training, the advice below may help.
Can You Exercise With DOMS?
Yes, light to moderate activity is usually fine with DOMS. Gentle movement may reduce stiffness and help you feel more comfortable. However, avoid repeating a heavy session on the same sore muscle group until symptoms clearly improve.
A simple rule works well: keep movement easy if it feels better as you warm up, but reduce load if pain sharpens, changes your technique, or worsens later that day.
Best Exercises When You Have DOMS
Low-load movement is usually the best option when muscles are sore. The goal is to promote comfort and circulation without adding another heavy training stress.
- Walking
- Light cycling
- Pool walking or easy swimming
- Gentle mobility drills
- Low-load resistance work
- Easy warm-up sets before returning to heavier exercise
Light movement can reduce stiffness
DOMS Treatment Options
Most DOMS settles with time, smart recovery, and lighter movement. Treatment aims to ease symptoms while helping you return to normal training without another flare-up.
- Active recovery: easy walking, cycling, or mobility work.
- Load reduction: reduce volume, speed, range, or resistance for a few days.
- Massage: may help some people with comfort and muscle tension.
- Compression: may help some athletes feel more supported during recovery.
- Foam rolling: may reduce soreness for some people when used gently.
- Sleep and nutrition: support normal recovery and training adaptation.
If you are unsure how to recover between sessions, our guide on how to speed up muscle recovery explains practical recovery options. For hands-on support, recovery massage may suit training-related soreness or muscle tension when there is no acute injury.
How Do You Manage Training Load With DOMS?
Training through mild DOMS can be reasonable if your movement quality stays good. However, strong DOMS can change how you move and may increase the risk of poor technique. Reduce the session if soreness affects control, speed, strength, or confidence.
DOMS Training Decision Guide
- Mild soreness: train lightly and monitor response.
- Moderate soreness: reduce load, volume, speed, or range.
- Strong soreness: use active recovery and train a different area.
- Sharp pain: stop that activity and consider assessment.
- Bruising or weakness: treat it as more than DOMS until assessed.
Is DOMS Normal or Something More Serious?
DOMS is common after new or harder exercise. Still, not every sore muscle is DOMS. Some symptoms suggest a strain, tendon problem, joint irritation, or a more significant injury.
Signs It May Be More Than DOMS
- Pain started suddenly during activity.
- Pain is sharp, severe, or localised to one spot.
- Bruising, swelling, or visible deformity appears.
- You cannot walk, lift, push off, or use the limb normally.
- Symptoms worsen after several days instead of easing.
- Dark urine, marked swelling, fever, or feeling very unwell occurs after intense exercise.
Seek urgent medical care if you develop dark urine, severe swelling, extreme weakness, fever, or feel unwell after very hard exercise. These symptoms are not typical DOMS.
How to Prevent DOMS
You cannot always prevent DOMS, especially when starting something new. However, you can reduce the chance of severe soreness by progressing gradually and allowing enough recovery between hard sessions.
- Increase training load in small steps.
- Introduce new exercises with fewer sets and lighter resistance.
- Build downhill running, jumping, and heavy lowering work gradually.
- Use warm-up sets before heavier strength work.
- Avoid testing your hardest session on day one after a long break.
- Plan easier days after hard or unfamiliar sessions.
This approach also helps reduce training-load problems linked with tendinopathy and Achilles tendinopathy.
How Can Physiotherapy Help DOMS?
Physiotherapy may help when soreness is severe, recovery is slow, or you are not sure whether the problem is DOMS or an injury. Your physiotherapist can assess your symptoms, check strength and movement, and guide a safe return to training.
Care may include load advice, exercise modification, mobility work, strength progression, return-to-sport planning, and education on recovery habits. If the problem is not simple DOMS, physiotherapy can help identify the likely tissue involved and outline the next steps.
Frequently Asked Questions About DOMS
How long does DOMS last?
DOMS usually lasts 2 to 5 days. Stronger soreness can take up to a week to fully settle, especially after heavy eccentric exercise or a sudden return to training.
Is DOMS a good sign?
DOMS can mean your body has met a new training stimulus, but it is not required for progress. You can improve strength and fitness without chasing soreness after every session.
Can you train with DOMS?
You can often train lightly with DOMS if movement feels safe and symptoms ease as you warm up. Reduce the session if pain changes your technique, causes sharp pain, or feels worse afterwards.
Should you stretch sore muscles with DOMS?
Gentle stretching may feel good, but forceful stretching is not needed. Keep stretching comfortable and combine it with light movement, sleep, hydration, and sensible load management.
Is DOMS the same as a muscle strain?
No. DOMS usually starts later and feels dull and widespread. A muscle strain often causes sudden, sharper pain during activity, and may involve bruising, weakness, or a longer recovery period.
When should you get DOMS checked?
Get assessed if pain is sharp, severe, localised, linked with bruising, or not improving after several days. You should also seek advice if soreness keeps disrupting training, work, or sport.
What to Do Next
If your symptoms fit normal DOMS, keep moving gently, reduce heavy repeat loading for a few days, and return to training in stages. Avoid using soreness as the only measure of a good workout.
If the pain is sharp, unusually severe, or not settling, book a physiotherapy assessment. A clear diagnosis can help you separate normal muscle soreness from a muscle strain, tendon overload, or another soft tissue injury.
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References
- Wei M, Liu X, Wang S. The impact of various post-exercise interventions on the relief of delayed-onset muscle soreness: a randomized controlled trial. Front Physiol. 2025;16:1622377. doi:10.3389/fphys.2025.1622377
- Wiecha S, Cieśliński I, Wiśniowski P, et al. Physical therapies for delayed-onset muscle soreness: an umbrella and mapping systematic review with meta-meta-analysis. Sports Med. 2025;55(5):1183-1212. doi:10.1007/s40279-025-02187-5
- Di Lorenzo L, Tofari PJ, Cervone A, Iacono AD. Advances in non-pharmacological strategies for delayed onset muscle soreness (DOMS). J Funct Morphol Kinesiol. 2025;10(4):452. doi:10.3390/jfmk10040452
- Cheung K, Hume PA, Maxwell L. Delayed onset muscle soreness: treatment strategies and performance factors. Sports Med. 2003;33(2):145-164. doi:10.2165/00007256-200333020-00005
