Generally speaking, lifting dumbbells can be practiced for about an hour every day. Lifting dumbbells usually exercises the muscles of the upper arm. If there are more muscles in the upper arm and more subcutaneous fat, lifting dumbbells can effectively consume fat and then transform it into muscles by lifting dumbbells. Stick to it for three months and you will see obvious results.

But you need to warm up before exercise to avoid physical injury, and you need to relax for five to ten minutes.