American College of Sports Medicine編(監訳 日本体力医学会体力科学編集委員会)(1997):ACMS's Guidelines for Exercise Testing and Prescription(運動処方の指針第5版)、南江堂、東京、pp48-49,120-129.
Borg GAV (1982) : Psychophysical bases of perceived exertion. Med Sci Sport Exerc, 14 (5) : 377-381.