“…However, protocols with moderate intensity (≥ 15 RM, 40 -65 % of 1-RM) used for the improvement of strength endurance are also suggested for training elderly subjects in order to improve or retain their ability to perform submaximal work for recreational or daily living activities [1,6]. Resistance training with moderate intensity may cause less [22,23] or similar [16,36] increases in muscle mass, strength and endurance, as a hypertrophy protocol, while the two protocols do not appear to differ in the improvements in functional performance measures, such as stair climbing ability, chair-rising time, and walking velocity [16,22,23,36]. Nevertheless, a moderate intensity protocol might be handled more easily by older subjects and lessen the danger of orthopedic injuries due to the lower weight used [1].…”