With your own body as a counterweight, you can effectively train the entire body with the functional trainer/ sling trainer from the gymstick. The maintenance of body tension and the use of your own body weight is of particular importance, so that the workout has a positive effect on joint stabilization and attitude. The tool can also be used for relief and mobilization. The combined grip loops are suitable for both the hands and for the feet. In addition to the sling trainer and an integrated door anchor, the practical set comes with access to online training videos with the best exercises for strength structure, coordination and Co.