Recovery

The Traffic Light Test: Your Plan for Training with Muscle Soreness

Rhema Adelaja · National Champion & 4x DUX · July 2026 · 6 min read

Woke up sore? Don't guess if you should train. This is a clear, three-step method to check your body each morning and know exactly how to adapt your day's training based on your soreness.

You wake up. Your legs feel like lead. Every muscle aches from yesterday's session. The first thought is your alarm. Training starts in an hour. The second thought is, 'Can I even do this today?'

You know this feeling. A part of you says to push through. That's what elite athletes do. Another part worries about injury. You don't want to let your team or your coach down, but you also don't want to spend six weeks on the sidelines.

I have been there. I was 17, preparing for a national trial. My hamstrings were tight after a heavy weights session on Monday. By Tuesday morning, they were a solid 5 out of 10 on the pain scale. A clear yellow light. But I had a sprint session I could not bear to miss. I told myself to just get through the warm-up. The soreness did not ease. I pushed anyway. Halfway through the third 100-metre sprint, I felt a sharp pull. It was not a full tear, but it was enough. I had to rest completely for two weeks and I missed the trial. I learned a hard lesson that day.

The smartest athletes are not the ones who always push through pain. They are the ones who know how to listen to their bodies. They know when to go, when to slow down, and when to stop. This is not guesswork. It is a skill. Today, I am giving you a simple system to build that skill. It is called the Traffic Light Test.

What is the Traffic Light Test?

It is a simple way to check in with your body each morning. You will rate your muscle soreness on a scale from 0 to 10. Zero is no soreness at all. Ten is the worst pain you can imagine. Your score tells you what to do. It gives you a clear plan for your day.

This system removes the emotion and the pressure. It replaces worry with a clear decision. This helps you train consistently and recover properly. It is the key to long-term progress. Let us break down the three zones.

The Green Light: Go

Your Soreness Score: 0-3 out of 10

This is mild soreness. It feels like a general tightness or a dull ache in the muscles you worked. You feel it, but it does not stop you from moving normally. This is Delayed Onset Muscle Soreness, or DOMS. It is a normal part of your body adapting and getting stronger. This kind of soreness often feels better once you start moving.

Your Action Plan: Train as Planned

A green light means go. You can stick to your planned training programme. Your body is ready to work. It is a good idea to spend an extra five or ten minutes on your warm-up. Focus on dynamic stretching for the sore areas. This will increase blood flow and prepare the muscles. Do not be surprised if the soreness fades away completely once you get going.

Why it Works

Training with this low-level soreness is safe. It shows your muscles are responding to the work you put in. You challenged them, they broke down a little, and now they are rebuilding stronger. By training today, you keep your momentum without adding too much stress for your body to handle.

The Yellow Light: Modify

Your Soreness Score: 4-6 out of 10

Now the soreness is more serious. You feel it with most movements. It is more than a dull ache. It might be a sharp twinge when you move a certain way. Your range of motion might be a little limited. You can get through your daily routine, but you are very aware of the soreness. This is your body's signal to be careful.

Your Action Plan: Adapt Your Session

A yellow light means caution. Do not push through your normal programme. You need to modify it. You have three main options. First, reduce the intensity. Use lighter weights or run at a slower pace. Second, reduce the volume. Do fewer sets or repetitions. Third, change the focus. If your legs are very sore, make it an upper body day.

Or you could choose active recovery. This means light activity like swimming, cycling, or a gentle yoga session. The goal is to move your body and promote blood flow to the muscles, which can aid in the recovery process. Physiotherapy experts agree that if the pain does not drop to a green light level after a warm-up, you should reduce your training load for a day or two.

Why it Works

Ignoring a yellow light is a gamble. You might get away with it, but you are increasing your risk of injury. Your sore muscles are weaker and your movement patterns can be affected. This can lead to poor form. By modifying, you still get a training benefit. You stay in your routine. But you also give your body the chance it needs to repair. You are training smart, not just hard.

The Red Light: Stop

Your Soreness Score: 7-10 out of 10

This is severe pain. It might be sharp and specific to one spot. It might be a deep, throbbing ache that does not go away. It hurts to move, and it might even hurt when you are still. Swelling or a different skin colour might be present. This is not normal training soreness. This is a clear warning sign from your body.

It is important to recognise the difference between DOMS and an injury. DOMS is a general ache across a whole muscle you worked. An injury is often a sharp, stabbing pain you can point to with one finger. DOMS usually feels the same on both sides of your body, like in both quads. An injury is often felt on one side of the body.

Your Action Plan: Rest is Required

A red light means stop. You must not train today. Pushing through this level of pain is dangerous. It will not make you tougher. It will get you injured. Rest is your training for today. Focus on sleep, good nutrition, and hydration. If the pain is sharp, sudden, or comes with significant swelling, you need to see a physiotherapist or a doctor. Training with severe soreness can lead to serious overuse injuries because your muscles are too weak to support you properly.

Why it Works

Sometimes, the hardest and most productive thing you can do is rest. Your body cannot repair itself if you keep breaking it down. Continuing to train in a red light zone puts you at risk of making a small problem much worse. Listening to a red light signal is a sign of maturity and professionalism. It shows you are playing the long game. It keeps you in the sport for the whole season, not just for one more session.

This system is not an excuse to skip training. It is a tool to help you train smarter for longer. It takes the emotion out of the decision. It gives you permission to rest when you need it, and confidence to push when you are ready.

The next time you wake up sore, do not guess. Use the Traffic Light Test. Lie in bed for one minute. Scan your body. Give the soreness a number from 0 to 10. Green, yellow, or red. That number is your plan. It is your commitment to your own performance and your long-term health.