an exercise machine having a support base to which three support beams are pivotally mounted . the outside support beams are extendible . the center beam is pivotally mounted to a seat and a seat back . the outside beams are mounted to the seat and the seat back , respectively . a leg pivotally depends from the seat , a fork element with pivotally mounted arms at the distal ends thereof is pivotally mounted to the base . three resistance bands are positioned on the pivotally mounted arms . the assembly is capable of relative pivotal motion between components to collapse the assembly for storage and portability . expanded , the seat , the seat back , the depending leg and the fork structure with the arms are capable of pivotal motion relative to one another to position the various components for different modes of exercise .