title: [Double product].
authors.affiliation: Department of Health & Sports Sciences, Graduate School of Education, Hokkaido University.
authors.forename: H
authors.initials: H
authors.lastname: Kumahara
authors.forename: A
authors.initials: A
authors.lastname: Kiyonaga
authors.forename: H
authors.initials: H
authors.lastname: Tanaka
mesh_terms: D000885:Anthropology, Physical; D015444:Exercise / Q000502:physiology; D005080:Exercise Test; D006321:Heart; D006801:Humans; D017202:Myocardial Ischemia / Q000175:diagnosis; D009206:Myocardium / Q000378:metabolism*; D010101:Oxygen Consumption / Q000502:physiology; D013599:Systole