You crushed your workout yesterday, felt great walking out of the gym, and woke up this morning wondering why sitting down feels like a workout of its own. Sound familiar? That post-workout stiffness has a name: Delayed Onset Muscle Soreness (DOMS).
At BPM Fitness Centre, we believe understanding how your body responds to exercise is essential for building strength, improving performance, and recovering effectively. So, what actually causes DOMS, and does being sore mean you’ve had a successful workout?
What Is Delayed Onset Muscle Soreness (DOMS)?
Delayed Onset Muscle Soreness is temporary muscle discomfort that typically develops 12–24 hours after unfamiliar or challenging exercise, peaks around 24–72 hours, and gradually subsides over several days.
Unlike the burning sensation you might experience during an intense workout, DOMS develops after exercise and is associated with the body’s response to unfamiliar mechanical stress.
Common symptoms include muscle tenderness, stiffness, temporary reductions in strength, and discomfort when moving through certain ranges of motion.
DOMS frequently occurs after activities involving eccentric muscle contractions, where muscles lengthen while producing force.
Examples include lowering into a squat, descending stairs, performing walking lunges, or controlling the downward phase of a deadlift.
The Science Behind DOMS: What’s Happening Inside Your Muscles?
When you perform unfamiliar or demanding exercises, particularly eccentric movements, your muscle fibres experience mechanical stress.
This can cause microscopic disruptions to muscle structures, triggering a series of physiological responses.
1. Mechanical Stress and Muscle Disruption
Eccentric contractions place substantial tension on muscle fibres. When the workload exceeds what your muscles are accustomed to, temporary structural disruption can occur.
2. Inflammatory Response
Your immune system responds to exercise-induced muscle disruption by activating inflammatory and repair processes. Immune cells and chemical signalling molecules contribute to the recovery process and may influence soreness.
3. Increased Sensitivity
Changes in the muscle environment can sensitize pain receptors, making movements that normally feel comfortable temporarily uncomfortable.
4. Adaptation and Recovery
As recovery progresses, your muscles become better prepared to tolerate similar exercise demands.
Importantly, DOMS is not caused by lactic acid buildup. Lactate is processed relatively quickly after exercise and does not explain soreness that develops one or two days later.
Does Muscle Soreness Mean You Had a Good Workout?
One of the biggest fitness misconceptions is that more soreness equals better results.
In reality, muscle soreness is not a reliable indicator of muscle growth, strength development, or workout effectiveness.
You can experience significant DOMS without achieving greater muscle gains, just as you can build considerable strength without experiencing soreness.
For example, someone beginning strength training classes at BPM Fitness Centre might experience noticeable soreness during their first few sessions.
However, as their body adapts to the training demands, soreness generally decreases even while strength and performance continue improving.
This phenomenon is known as the repeated bout effect, where previous exposure to an exercise reduces muscle damage and soreness during subsequent sessions.
Rather than chasing soreness, focus on progressive overload, consistent training, proper technique, and adequate recovery.
How to Recover From DOMS and Reduce Muscle Soreness
Although there’s no instant cure for delayed onset muscle soreness, several evidence-informed recovery strategies can help manage discomfort and support your return to training.
- Prioritize sleep: Quality sleep supports tissue repair, immune function, and overall exercise recovery.
- Stay hydrated: Adequate fluid intake supports normal muscle function and recovery, although drinking extra water won’t directly eliminate DOMS.
- Eat enough protein: Protein supplies essential amino acids involved in muscle repair and adaptation. Combine this with sufficient overall energy intake and carbohydrates to support training.
- Try active recovery: Gentle walking, cycling, or low-intensity movement may temporarily reduce stiffness and improve comfort.
- Manage training intensity: Avoid repeatedly overloading muscles that remain significantly sore. Adjust weights, repetitions, or exercise selection when necessary.
Massage and foam rolling may provide short-term relief, while stretching can improve mobility and comfort. However, stretching alone has limited evidence for preventing DOMS.
Recovery is about supporting adaptation, not eliminating every sensation associated with exercise.
Can You Exercise When You’re Still Sore?
Generally, mild muscle soreness doesn’t mean you need to skip your next workout.
However, your training intensity should reflect how you’re feeling.
If your legs are sore after a demanding squat session, consider lighter movement, upper-body exercises, or a recovery-focused day instead of another challenging leg workout.
At BPM Fitness Centre, our Coaches help members adjust training intensity based on individual recovery, experience, and performance goals.
Whether you’re attending HYROX training, Cross Conditioning, or Bootcamp, intelligent programming helps balance physical challenges with sufficient recovery.
Remember that sharp pain, substantial swelling, unusual weakness, or symptoms that worsen rather than improve shouldn’t automatically be attributed to DOMS. Seek medical advice when symptoms are severe or unusual.
Train Smarter, Recover Better at BPM Fitness Centre
The goal isn’t to feel sore after every workout. It’s to progressively build strength, improve cardiovascular fitness, enhance mobility, and develop sustainable exercise habits.
At BPM Fitness Centre, our experienced Coaches emphasize proper movement mechanics, progressive training, and individualized guidance.
Ready to train smarter and build lasting strength? Explore our class schedule or contact BPM Fitness Centre to get started.
Because progress isn’t measured by how sore you feel tomorrow. It’s measured by what you can accomplish over time.
References
- Zhou, J., Jia, D., Mao, J., & Xu, Y. (2024). Preventive effect of foam rolling on muscle soreness after exercise: A systematic review and meta-analysis. Journal of Bodywork and Movement Therapies, 40, 1890–1898. https://pubmed.ncbi.nlm.nih.gov/39593540/
- Medeiros, F., Martins, W., Behm, D., Ribeiro, D., Marinho, E., Santos, W., & Viana, R. B. (2023). Acute effects of foam roller or stick massage on indirect markers from exercise-induced muscle damage in healthy individuals: A systematic review and meta-analysis. Journal of Bodywork and Movement Therapies, 35, 273–283. https://pubmed.ncbi.nlm.nih.gov/37330781/
- Nahon, R. L., Lopes, J. S. S., & de Magalhães Neto, A. M. (2021). Physical therapy interventions for the treatment of delayed onset muscle soreness (DOMS): Systematic review and meta-analysis. Physical Therapy in Sport, 52, 1–12. https://pubmed.ncbi.nlm.nih.gov/34365084/
