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JOURNAL
OF
SPORTS SCIENCE &
MEDICINE
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Research
article
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PEDOMETER ACCURACY DURING STAIR CLIMBING AND BENCH STEPPING EXERCISES |
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Makoto Ayabe1,2  ,
Junichiro Aoki1, Kojiro Ishii3, Kohsaku Takayama3 and Hiroaki Tanaka2 |
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1School of Health and Sports Science, Juntendo University Hiragagakuendai, Chiba, 2Faculty of Health and Sports Science, Fukuoka University, Fukuoka, 3Graduate School of Education, Hokkaido University Hokkaido, Japan |
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© Journal of Sports Science and Medicine (2008) 7, 249 - 254 |
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| ABSTRACT | |||
| The purpose of the present investigation was to examine pedometer
accuracy during stair climbing and descending as well as during the performance
of a bench stepping exercise. Ten healthy men participated in the present
investigation. All subjects ascended and descended an 18 cm high public
staircase, and performed a bench stepping exercise by using a 10, 20 and
30 cm high platforms, while wearing three different commercial pedometers
(DW-800, YM, HJ- 700IT; OM, Lifecorder; KZ). In both situations, the stepping
rate was controlled at 40, 50, 80, 100 and 120 steps·min-1. The
pedometer scores tended to underestimate the actual number of steps during
stair climbing with a slower stepping rate and/or the lower height of a
platform. During the stair ascending and descending and the bench stepping
exercise using 20 to 30 cm high platforms at 80 to 120 steps·min-1,
the magnitude of the measurement error was -3.8 ± 10. 8 % for KZ, -2.1 ±
9.8 % for YM and -11.0 ± 18.9 % for OM. These results indicate that the
KZ and the YM can accurately assess the number of steps during stair climbing
using 20 to 30 cm high platforms at 80 to 120 steps·min-1.
Key words: Digi-walker, LIFECORDER, activity monitor, accelerometer. |
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