3 MINUTE PLANK CHALLENGE (No Equipment) | ABS&FULL BODY WORKOUT | TRAINING DURING CORONAVIRUS

(English) The plank is an exercise to strengthen the abdominal muscles. The maximum effectiveness of the plank can only be achieved if this exercise is performed exercise allows you to increase the endurance of the shoulder muscles, as they are strengthened during the plank. Also, the plank stimulates the development of the biceps, thanks to the intensive work of the biceps muscle of the shoulder. This happens when we hold the upper section at arm’s length. In the course of training, the ches