論文

査読有り 国際誌
2013年7月

Decreased skin temperature of the foot increases gait variability in healthy young adults.

Gait & posture
  • Ryuichi Sawa
  • ,
  • Takehiko Doi
  • ,
  • Shogo Misu
  • ,
  • Kota Tsutsumimoto
  • ,
  • Hidemi Fujino
  • ,
  • Rei Ono

38
3
開始ページ
518
終了ページ
22
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1016/j.gaitpost.2013.01.019

We investigated the effects of reduction in plantar skin temperature on gait. Thirty-four healthy subjects (20 men and 14 women; mean age 22.2±2.5 years; mean height 166.8±8.3cm) walked 16m under two different conditions - normal conditions (NC) with the skin at a basal temperature, and cold conditions (CC) after cooling of the plantar skin to about 15°C. Wireless motion-recording sensor units were placed on the back at the level of L3 and on both heels to measure acceleration and angular velocity. Gait velocity and mean stride, stance and swing times were calculated. The variability of lower limb movement was represented by the coefficients of variation (CVs) of stride, stance and swing times, and that of trunk movement was represented by autocorrelation coefficients (ACs) in three directions (vertical: VT; mediolateral: ML; and anteroposterior: AP). Gait velocity was significantly lower under CC conditions than under NC (p<0.0001). None of the temporal parameters were changed by plantar cooling. However, all parameters of gait variability were significantly worse under CC, and AC-VT, AC-ML, and AC-AP were significantly lower under CC than under NC, even after adjusting for gait velocity (p=0.0005, 0.0071, and 0.0126, respectively). Our results suggest that reducing plantar skin temperature induces gait variability among healthy young adults. Further studies are now needed to explore the relationship between plantar skin temperature and gait in the elderly.

リンク情報
DOI
https://doi.org/10.1016/j.gaitpost.2013.01.019
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/23465760

エクスポート
BibTeX RIS