Feeling extra soreness doesn’t mean muscle growth. No soreness also does not mean that today’s training has no effect.
Soreness indicates that exercise intensity or duration exceeds the body’s current exercise capacity. But the good news is that as you get used to the pain, your athletic ability, strength, and endurance will improve.
Why Do We Feel Muscle Soreness after Exe
Muscle soreness is divided into two types:
- One is that occurs during or immediately after exercise, which can be called acute muscle soreness.
- The other is delayed muscle soreness (DOMS), which is the most important type of pain discussed in this article.
Acute Muscle Soreness
The cause of this muscle soreness is lactic acid. It leads to a decrease in the contractility of your muscles and curbs the energy supply of your system so that you can no longer complete the next standard action through muscle contraction.
Our bodies are prone to produce lactic acid when we engage in strenuous exercises, such as high jump, hurdle and sprinting.
But lactic acid is usually completely clear from the body an hour or two after stopping exercise, so acute muscle soreness does not last long.
Delayed Muscle Soreness (DOMS)
The eccentric muscle movements are the most common cause of this kind of muscle aches and pains. This kind of soreness usually reaches its peak within 24 to 72 hours after your workout, and some people even have pain for more than 5 days, and the pain usually disappears after 5 to 7 days.
Take the dumbbells for example, when we pull up dumbbells, we are doing concentric training, which means that we’re shortening the muscle with tension.
When we lowering and stretching, we are doing eccentric exercise. So what happens is, you’re getting micro-tears and damage in your muscle fibers when you do eccentric training. That’s where our soreness comes from.
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