Improvement of New Gyro-Sensor and Accelerometer Device Used for Walking and Running

• Takahashi Shinji

  Department of Regional Management, Faculty of Liberal Arts, Tohoku Gakuin University

• Suzuki Koya

  Department of Human Science, Faculty of Liberal Arts, Tohoku Gakuin University

• Yoshida Yudai

  Graduate School of Comprehensive Human Science, University of Tsukuba

• Sakairi Yosuke

  Graduate School of Comprehensive Human Science, University of Tsukuba

• Kizuka Tomohiro

  Graduate School of Comprehensive Human Science, University of Tsukuba

抄録

The purposes of this study were to recalibrate a new motion sensor wristband (ViM sports memory: ViM) to metabolic equivalents (METs) during walking and running, and to examine the cross-validity of the recalibration model. Forty-five healthy Japanese (23 males and 22 females) voluntarily participated in this study. The participants were divided into two groups: a recalibration group (16 males and14 females) and a cross-validity group (7 males and 8 females). The participants performed 5 min of treadmill walking at 3.6, 4.8, and 6.0 km/h, and treadmill running at 7.2, and 9.6 km/h. The ViM was placed on the non-dominant wrist. Simultaneous measurements of the ViM and an indirect calorimeter (IC) were continuously recorded during all exercises. The recalibration models were calculated for males and females from data of the recalibration group using general linear mixed model. The cross-validity was examined by correlation coefficients, repeated ANOVA, and paired t-test adjusted by Bonferroni's method. In the recalibration group, the recalibration models showed high determination coefficients (male: R²=0.74, SEE=1.51 METs; females: R²=0.84, SEE=1.16 METs). In the cross-validation group, there were significant correlation coefficients at 3.6, 4.8, 6.0, and 9.6 km/h (r>=0.56, p<0.001). Differences (−4 to 13%) between the IC measurements and the recalibration model estimations were not significant (p>0.185) at any speed. These results showed that the recalibration model improved the validity and accuracy of the ViM.<br>

収録刊行物

• Ｉｎｔ．　Ｊ．　Ｓｐｏｒｔ　Ｈｅａｌｔｈ　Ｓｃｉ．

  Ｉｎｔ．　Ｊ．　Ｓｐｏｒｔ　Ｈｅａｌｔｈ　Ｓｃｉ． 8 95-104, 2010

  一般社団法人 日本体育・スポーツ・健康学会

キーワード

• physical activity
• motion monitor
• validation study
• METs
• Mixed model

詳細情報

• CRID: 1390282680265058432
• NII論文ID: 130000418040
• DOI: 10.5432/ijshs.20100014
• ISSN: 18804012
• ISSN: 13481509
• Web Site: https://search.jamas.or.jp/link/ui/2013045949
• 本文言語コード: en
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可