The movements made on your hammock swing will be accompanied by the spring effect obtained thanks to this trapeze.. Working in these conditions can deeply strengthen your stabilizer muscles and improve core strength.. When first used, your body may shake a little. This is where the training and strengthening of stabilizier muscles will begin. Akin to proprioception, it allows strengthen the muscles that support your bones.. The trapeze system is mainly used to strengthen your movements, muscles and stability. It will also allow you to work more in-depth with the most of the suspension and stretching movements.. The 4-ring bar has 2 handles to hold on.