The authors of this study examined the effects of a 16-week exercise program designed to increase aerobic capacity, muscular strength, and muscular endurance in older adults who reported and exhibited limited functional ability. Participants were randomly assigned to either an exercise (n=39) or a control (n=34) group. Dependent variables tested included measures of fitness (aerobic exercise capacity and isokinetic strength testing of the legs and arms) and measures of functional capacity (time to and off the floor, stair test, chair stand, and bicep curl). At the end of the program, there were significant differences between the exercise and control groups in arm strength, chair stand, and biceps curl. The results of this study indicate functionally limited older adults who maintain a structured exercise program for 16 weeks exhibit increased functional ability.