Training guide · 3 min read · MyoAmigo
Soreness Isn't the Score
What DOMS actually tells you about your training
Delayed-onset muscle soreness, the ache that peaks 24–48 hours after a session, is one of the most misread signals in training. Feeling sore after a workout feels like evidence it was effective. Feeling unsore feels like you did not work hard enough. Neither reading is accurate.
Soreness is primarily a response to mechanical novelty. Your muscles and connective tissue experience it most intensely when you do something they have not done recently: a new exercise, a longer range of motion, more volume than usual, or a movement with a long eccentric phase like a Romanian deadlift or Nordic curl. The same workout done consistently produces less and less soreness over time, even as it continues to drive adaptation. An experienced lifter can do a productive session and feel almost nothing the next day. That is a sign of adaptation, not a sign the workout was wasted.
What Soreness Does Not Measure
Soreness is not a proxy for muscle damage in any useful training sense, and muscle damage is not a reliable proxy for hypertrophy. The mechanisms are more complicated than that, and chasing soreness as a goal (adding novelty for its own sake, always switching exercises, avoiding anything your body has adapted to) disrupts the progressive overload that actually drives growth and strength.
Training Through Soreness
For most soreness, training is fine. A sore muscle is not an injured muscle. Light to moderate soreness in the target muscle is generally not a reason to skip a session or change the plan. Many people find that a moderate session on a sore muscle provides some relief, because blood flow to the area increases.
What you are distinguishing here is muscle ache from joint or connective tissue pain. Diffuse soreness in the belly of the muscle, especially after eccentric loading, is normal. Sharp pain in or around a joint, pain that does not follow the muscle, or pain that gets noticeably worse during a warmup set: those are reasons to stop and assess rather than push through. This is not a medical judgment; it is a practical one: a joint that hurts during a lift is telling you something is wrong with the movement, not that you need to gut it out.
Managing Novelty Intelligently
- When you add a new exercise or significantly more volume, start conservative. Soreness from too much novelty at once can genuinely affect your next session.
- Consistent training is the best prevention. A muscle that trains regularly adapts to that stress and stops signaling soreness from it.
- Soreness that persists beyond 72 hours from a session is worth paying attention to. It may indicate more volume or intensity than you are currently prepared for.
Muscles: Hamstrings, Glutes, Quadriceps, Lats
