Sore Muscles After Exercise? Here’s What Your Body Is Trying to Tell You

Feeling sore after a workout is completely normal, especially if you’ve started a new exercise routine or increased your workout intensity. That soreness is often a sign that your muscles are adapting, repairing themselves, and becoming stronger.

There are two common types of muscle soreness. Acute soreness can happen during or immediately after exercise, while delayed-onset muscle soreness (DOMS) usually appears 12 to 24 hours later and may peak between 24 and 72 hours after your workout. This happens because tiny tears develop in muscle fibers during exercise, triggering the body’s natural repair process.

Fortunately, there are several ways to ease sore muscles. Gentle stretching, light movement, massage, staying hydrated, applying ice during the first day or two, and using heat afterward can all help reduce discomfort. Over-the-counter pain relievers or topical creams may also provide temporary relief for some people.

You can’t completely prevent muscle soreness, but you can reduce its severity. Warming up before exercise increases blood flow to your muscles, while cooling down with gentle stretching may improve flexibility and recovery. Gradually increasing your workout intensity instead of doing too much too soon is also one of the best ways to avoid excessive soreness.

Rest is important, but complete inactivity usually isn’t necessary. Giving the same muscle group about 48 hours to recover before another intense workout is recommended. During that time, gentle activities like walking, cycling, or light stretching can actually help relieve stiffness and promote circulation.

While muscle soreness is usually harmless, it’s important to recognize when pain may signal an injury. Pain around a joint, severe swelling, significant bruising, or difficulty moving normally could indicate a strain, sprain, or another injury that deserves medical attention.

If soreness lasts longer than a week, becomes severe, worsens instead of improving, or is accompanied by redness, warmth, swelling, dizziness, or trouble breathing, contact your healthcare provider. Knowing the difference between normal muscle soreness and an injury can help you stay active while exercising safely.