This will not make you strong, and notification will make your youth lost in the process. Because load-bearing is different from exercise, it is an abnormal and unconventional load, which is often only aimed at one body part, such as the shoulder. If it is carried out for a long time, it is easy to stimulate the muscles in one direction. Although it can stimulate muscle growth, it is often unbalanced.

In addition, porters work long hours, their muscles can't get rest, and they often work overtime, which is very harmful to their health. So you will see that many porters have a little big arms except black, and they all look like vicissitudes of life.

It is recommended to do exercises such as running and push-ups, which are more beneficial to your health.