Pay attention to the action arrangement in the same part every time, and the accumulation time should not be too long.
Generally, the same part is held once every two to three days, and only one action is arranged for each part at a time, and each action is performed in four to six groups, with 8 to 12 in each group. If it can be more than 12, it is necessary to increase the weight.
The cumulative time of each exercise shall not exceed 45 minutes.