TY  - JOUR
PY  - 2018//
TI  - Temporal characteristics of imagined and actual walking in frail older adults
JO  - Aging clinical and experimental research
A1  - Nakano, Hideki
A1  - Murata, Shin
A1  - Shiraiwa, Kayoko
A1  - Iwase, Hiroaki
A1  - Kodama, Takayuki
SP  - 1453
EP  - 1457
VL  - 30
IS  - 12
N2  - BACKGROUND: Mental chronometry, commonly used to evaluate motor imagery ability, measures the imagined time required for movements. Previous studies investigating mental chronometry of walking have investigated healthy older adults. However, mental chronometry in frail older adults has not yet been clarified. AIMS: To investigate temporal characteristics of imagined and actual walking in frail older adults. <br><br>METHODS: We investigated the time required for imagined and actual walking along three walkways of different widths [width(s): 50, 25, 15 cm × length: 5 m] in 29 frail older adults and 20 young adults. Imagined walking was measured with mental chronometry. <br><br>RESULTS: We observed significantly longer imagined and actual walking times along walkways of 50, 25, and 15 cm width in frail older adults compared with young adults. Moreover, temporal differences (absolute error) between imagined and actual walking were significantly greater in frail older adults than in young adults along walkways with a width of 25 and 15 cm. Furthermore, we observed significant differences in temporal differences (constant error) between frail older adults and young adults for walkways with a width of 25 and 15 cm. Frail older adults tended to underestimate actual walking time in imagined walking trials. <br><br>CONCLUSIONS: Our results suggest that walkways of different widths may be a useful tool to evaluate age-related changes in imagined and actual walking in frail older adults.<p />  <p>Language: en</p>
LA  - en
SN  - 1594-0667
UR  - http://dx.doi.org/10.1007/s40520-018-0963-4
ID  - ref1
ER  -