This device is meant for sport performance.
It has several advantages : Equipment consists of free moving arms to improve balanced strength and to train arms. Arms can be trained in various ways:one at a time or simultaneous movements,concentric or eccentric movements on opposite arms.
In order to give a natural arc movement of increased range,the path of the handles meet during motion. The cords for stretching and warming up are included in the frame to provide stretch points for easy training of muscles. In order to reduce the initial resistance to 500gr,each arm is provided with a counterbalance.
The device helps in movement of upper chest muscles by replicating the dumbbell's extension movement over an inclining bench.