The present invention provides a personal training device and system for applying controlled load on body muscles. The training device generally comprises a ground supported frame that holds a torso support assembly and a foot support assembly. The torso support assembly further comprises a torso support that is vertically displaceable with respect to the frame along a first axis and fixable at various positions along said first axis. The foot support assembly includes a foot-engaging member that is horizontally displaceable with respect to the frame along a second axis normal to the first axis and fixable at various positions along the second axis.