title: The maximal double step length test can evaluate more adequately the decrease of physical function with age, than the maximal single step length test.
authors.affiliation: Graduate School of Natural Science and Technology, Kakuma, Kanazawa, Ishikawa, 920-1192, Japan.
authors.forename: Shinichi
authors.initials: S
authors.lastname: Demura
authors.forename: Takayoshi
authors.initials: T
authors.lastname: Yamada