Imagine your leg is a team of tiny workers. When you exercise, they all start running around very fast. Sometimes they get too excited and stop listening to each other, that's when a cramp happens. It feels like your muscle is saying, 'I can't move anymore!' A simple way to calm them down is by stretching or taking a break.
Examples
- Running fast for a long time, then your calf muscle suddenly feels like it's made of stone.
- Doing push-ups until your arms feel like they're stuck in concrete.
- Swimming laps and suddenly your legs lock up mid-stroke.
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See also
- Why Do Humans Have a 'Second Wind'?
- What is pain?
- Why Do We Get Cramps During Exercise?
- What are pain receptors?
- How Does Delayed Onset Muscle Soreness (DOMS) Work?