What are the common wrong fitness methods?

Exercise in recent years has been more and more popular, but it is believed that not many people know how to do good fitness. What are the common ways to make mistakes? Here are some common ways to find out what is wrong.

Fitness method, step backward

Walk backward or run backward can stimulate inactive muscles, improve the body’s balance, therefore, many old people love walk backward when doing exercises.

What are the common wrong fitness methods?

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