Should You Train When You're Sore?

Yesterday's session is still making itself known. Do you train again, choose something easier, or take the day off?

Mild post-exercise soreness doesn't automatically rule out activity. Whether another workout makes sense depends on what kind of soreness it is, how sore you actually are, what you had planned to train, and how you're feeling otherwise. Pain that is sharp, severe, worsening or otherwise concerning is a different matter, and shouldn't be filed under ordinary workout soreness.

First: What Kind of Soreness Are We Talking About?

Ordinary muscle soreness after training tends to be diffuse rather than pinpoint. It sits across the muscles you worked, feels stiff or tender when you first get moving, and usually eases as you warm up and go about the day. It arrives after the session rather than during it, and it settles over the following days without any intervention.

That's a different experience from pain that came on suddenly mid-session, is sharp or localised, involves swelling, or stops a joint or limb working normally. Those features aren't something to train around, and no article can assess them for you. If that's closer to what you're dealing with, the sensible next step is advice from a health professional rather than a decision about today's workout.

For what delayed soreness actually is and how long it typically hangs about, we cover it properly in why am I sore after a workout? DOMS explained.

Can You Work Out With Sore Muscles?

Often, yes — plenty of people train comfortably while carrying some soreness, particularly when it's mild and eases with movement. But there's no universal rule here, and anyone offering a flat yes or no is skipping the part that matters.

What actually shapes the answer:

• How severe the soreness is — noticeable stiffness is not the same as struggling to walk down stairs
• What you planned to train, and how demanding that session is
• Which muscles are sore, and whether the session loads those same muscles
• What your recent training has looked like, not just yesterday
• Whether you're also unusually fatigued, underslept or run down
• Your own circumstances — health, age, work demands, what you're training for

Two people with the same soreness can reasonably make opposite calls. Someone three weeks into a training block with a light session planned is in a different position from someone who has trained hard four days straight and has a heavy squat day on the calendar.

Mild Soreness vs More Significant Pain

It helps to separate the two before you decide anything, because they call for different responses.

Mild post-workout soreness may include

• General stiffness across the muscles you trained
• Tenderness in recently worked muscles when you press or stretch them
• Discomfort that eases as you warm up and move normally
• Soreness that appeared in the day or two after training, not during it
• Symptoms that are gradually improving rather than building

Reasons to be more cautious may include

• Sharp or sudden pain, especially if it started during the session
• Significant swelling or bruising
• Loss of normal function — a joint or limb that won't move or load as usual
• Pain following an obvious injury, fall or awkward movement
• Symptoms that are worsening, unusually severe, or otherwise concerning

This comparison is general information to help you think it through. It isn't a diagnostic checklist and can't assess your symptoms — if something concerns you, get it looked at.

Does It Matter What You Plan to Train?

It matters a great deal. Soreness is specific to the muscles that did the work, so the question isn't only whether to train — it's what to train.

Loading the same heavily worked muscles again with another demanding session is the option that asks the most of you, and it's usually where sessions turn ordinary: the weights feel heavier, technique drifts, and you finish having trained worse than you would have a day later. Choosing something else, or something easier, keeps you moving without stacking demand on tissue that's still catching up.

Examples of how that plays out in practice:

• Sore legs after a demanding lower-body session, so the upper-body day gets moved forward
• Sore quads after a hard hill run, so the planned tempo run becomes an easy jog or a swim
• Sore all over after a first session back, so the day becomes a walk and some light mobility
• Sore and flat at the same time, so it becomes a genuine rest day

These are illustrations of the reasoning, not prescriptions for your week. Muscle recovery after exercise goes further into what's happening in the muscles between sessions.

When an Easier Session May Make Sense

Between training hard and doing nothing sits the option most people underuse: reducing the demand rather than cancelling it. Lighter weights, fewer sets, a shorter and slower run, a walk, an easy ride, some mobility work. You stay in the habit, you keep moving, and you don't ask the sore muscles for another maximal effort.

Many people also find that easy movement simply feels better than sitting still while sore. Active recovery: what it is and when to use it covers what those days can look like.

The catch is that an easier day has to stay easy. If the light session creeps up in pace or load because you felt alright fifteen minutes in, you've just done another workout — and the reason you reduced it in the first place still applies.

When a Rest Day May Make More Sense

Sometimes the honest answer is that you don't want to train today, and that's reasonable. A day off structured training is a normal part of training, not a lapse. It's often the better call when soreness is pronounced, when you're carrying fatigue from a heavy stretch, when sleep has been poor, or when work and life have already taken more out of you than usual.

Nothing is lost in a day. Fitness is built over weeks and months, and a rest day that lets you train well tomorrow does more for you than a session you drag yourself through today. If you're weighing the two options, rest day vs active recovery sets them side by side.

What About DOMS?

Delayed onset muscle soreness is the soreness that turns up in the day or two after training rather than immediately. It's most common after exercise your body isn't used to — a new sport, a new lift, a first hill session, or a return after time off — and it typically peaks and then fades over a few days.

It isn't lactic acid sitting in your muscles; the timing alone rules that out, since lactate produced during exercise clears within about an hour. Delayed soreness is associated with the body's response to unaccustomed loading. The full picture, including how long it lasts and where the myths came from, is in why am I sore after a workout? DOMS explained.

Recovery Between Training Sessions

Soreness is the most obvious signal, but it's not the only one, and it's not the most reliable. You can be barely sore and still not ready for a hard session, or fairly sore and perfectly capable of an easy one.

The rest of the picture includes:

• Sleep — how much you've had, and how well you slept
• General fatigue, including from work, travel or shift patterns
• Whether you've been eating enough across the day, protein and carbohydrate included
• Hydration, particularly after long or hot sessions
• Your recent workload — the last week or two, not just yesterday
• How intense the session in front of you actually is

The Australian Institute of Sport treats recovery as part of training rather than an optional extra, which is the useful way to hold it. How long should you rest between workouts? works through what shapes the gap between sessions, and how often should you train? looks at the weekly pattern those sessions sit inside.

Before You Train Again

• Is this ordinary muscle soreness or something more concerning?
• How sore do I actually feel?
• What muscles or movements am I planning to train?
• Does normal movement feel comfortable?
• Am I also unusually fatigued?
• Would an easier session make more sense today?
• Would a complete rest day make more sense?
• Is anything sharp, severe, swollen or getting worse?

This is a general decision aid, not medical or individual training advice.

Don't Chase Soreness

Soreness is a poor scoreboard. It mostly reflects how unfamiliar the work was, which is why a first Pilates class can leave you sorer than a hard session in a sport you've done for years. As you get used to a movement, the same training produces less soreness while still doing its job.

A session doesn't need to leave you barely able to walk to have counted. Judging training by soreness tends to push people towards erratic, punishing workouts and away from the consistency that actually produces progress — and it makes the next few days harder than they need to be.

When to Get Advice

Most post-exercise soreness resolves on its own. It's worth speaking with a doctor, physiotherapist or other appropriate health professional where there's significant or worsening pain, major swelling or bruising, a loss of normal function, symptoms that followed an obvious injury, soreness that seems out of proportion to what you did, or anything that persists or concerns you. Nothing here can assess your symptoms, and it isn't intended to.

The Bottom Line

Being a little sore doesn't automatically mean another workout is off the table. It also isn't something to push through as a matter of principle.

Let the decision reflect the soreness in front of you, the session you had planned, and the broader recovery picture — sleep, fatigue, food, recent workload. Often the answer is to train something different, or to train the same thing more gently. Sometimes it's a rest day. And when the pain doesn't look like ordinary soreness, the decision isn't about training at all.

More reading across the edition: all recovery guides, the Train collection, and our Recover hub.

Sources & further reading

• Australian Institute of Sport — Recovery (Australian Sports Commission)
• Healthdirect Australia — Muscle pain
• Healthdirect Australia — Exercise and physical activity
• Better Health Channel — Muscles explained
• Better Health Channel — Physical activity — it's important
• Sports Medicine Australia