“…Hence, it is important to adequately evaluate the balance ability. Walking on a balance beam and on a line have often been used to evaluate the dynamic balance of preschool children (Demura, Nagasawa, & Kasuga,1994 ;Aoki, Demura, Kasuga, Shin, & Kawabata, 2011 ;Bürgi, Meyer, Granacher, Schindler, Marques-Vidal, Kriemler, & Puder, 2011;Kasuga, Demura, Aoki, Shin, Sugiura, & Uchida, 2012a;Kasuga, Demura, Aoki, Sato, Shin, & Kawabata, 2012b). However, it is possible that a developmental evaluation of dynamic balance by age may differ according to the type and the degree of difficulty of the tests.…”