So you're sore a few days after that intense workout? You said, "but I felt good after—it was like nothing." You may have what is commonly called Delayed Onset Muscle Soreness (DOMS), a condition characterized by muscle stiffness and pain that develops after intense or unfamiliar exercise. Here's what you need to know:
Causes
- Micro-tears: Small tears in muscle fibers lead to inflammation and soreness.
- Enzyme release: Muscle damage releases enzymes, such as creatine kinase, into the bloodstream.
- Inflammation: Increased blood flow and swelling contribute to soreness.
Symptoms
- Muscle stiffness: A feeling of tightness or stiffness in the affected muscles.
- Pain: Aching or tenderness in the muscles, often worse after exercise.
- Reduced range of motion: Limited mobility due to muscle stiffness.
Prevention and Treatment
- Gradual progression: Gradually increase exercise intensity and duration. (You should not have taken on that ultra or triathlon without proper training.)
- Warm-up and cool-down: Properly warm up before exercise and cool down afterward. This should be practiced during training and daily. Warm up for 20–30 minutes. Don't be a social loafer—you came to do work!
- Stretching and foam rolling: Regular stretching and foam rolling can help reduce muscle soreness. As you stated, you don't do this every day, but you should—it's not just for workout days.
- Rest and recovery: Allow for adequate rest and recovery time. As I have stated, rest and recovery are essential. Aim for 7–8 hours of sleep to maintain and recover properly.
This advice should not be a substitute for professional medical care or guidance. Always consult your healthcare provider before engaging in any physical activity.
When to Seek Medical Attention
- Severe pain: If pain is severe or persists for an extended period. Do not mask the pain by merely taking pain relief pills.
- Limited mobility: If muscle soreness significantly limits mobility or daily activities.
- Other symptoms: If accompanied by other symptoms such as fever, swelling, redness, or headaches.
DOMS is a normal response to new or intense exercise, and symptoms typically resolve within a few days.
If you're a beginner or training for a half marathon or longer race and haven't consulted your doctor, do so. Everyone's needs are different—listen to your body.
Hope this answers your concerns.