Top 10 exercises with a spring expander for a boxer

In this video we will show you the top 10 exercises with the Power Twister spring expander for a boxer.How important it is to pay attention to the spring expander in training.What kind of arm strength can this simulator develop for a boxer.As well as what types of spring expanders there are and how many kilograms it is best to use.The Power Twister spring expander is an indispensable projectile for a boxer that will definitely help you in developing arm strength and increase the force of impact.