An exercise device and system are provided. The exercise device and system are especially suitable for use with sub-maximal to maximal concentric, isometric and eccentric exercises. The exercise device has a back-plate unit, an extended bar and a foot-brace unit. A first and second strap, each having a hand loop, may be grasped by the hands and may be attached to the extended bar and may be connected to the foot-brace unit. An optional scale may be secured to the foot-brace.