Abstract
The relative increase of elderly people presents sever problems for modern society. As one example, elderly people confront various health-related problems. Development of better rehabilitation machines and equipment is important to resolve this problem and to preserve the health of elderly people in daily life. This study specifically addresses rowing machines. Rowing machines are aerobic exercise machines, as are running machines and bicycling machines. Aerobics exercise can alleviate hypertension, obesity, to sole pressure. Results showed differences among individuals at each examination, demonstrating that a load mechanism requires a load control system.