An exercise unit includes a pair of brackets configured to attach to a desktop in a spaced manner, resistance bands extend from a handle to the two spaced brackets wherein the handle is near a mid-point thereof. When attached to the desktop, the brackets maintain the resistance bands and handle generally underneath the desktop when not in use. When needed, the user grips the handle with two hands and is able to perform various exercises while seated in his or her chair. The handle is configured ergonomically to match the angle of the user's hands when gripping the handle from a seated position.