Elastic band is often used as a fitness training tool at home or on business. It can be combined with the rhythm of music to become an aerobic training that can quickly cultivate the body, strengthen the cardiopulmonary function and improve the posture. If the trainers refer to the professional elastic band training video for training, the training effect will be more significant.

The resistance of the elastic band is calculated in kilograms according to its percentage elongation at relative rest. During the elastic band training, we can evaluate the resistance of the training according to the change of the length, and we can also select the appropriate length of the elastic band according to our own situation.