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首页> 外文期刊>Gait & posture >Decreased skin temperature of the foot increases gait variability in healthy young adults
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Decreased skin temperature of the foot increases gait variability in healthy young adults

机译：脚的皮肤温度降低会增加健康的年轻人的步态变异性

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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 ± 8.3. cm) walked 16. m 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.
机译：我们研究了降低足底皮肤温度对步态的影响。 34名健康受试者（20名男性和14名女性;平均年龄22.2±2.5岁;平均身高166.8±8.3。cm）在两种不同的条件下行走16. m-正常条件（NC），皮肤处于基础温度，并且将足底皮肤冷却至约15°C后的寒冷条件（CC）。无线运动记录传感器单元放置在L3高度的后部和两个后跟上，以测量加速度和角速度。计算步态速度，平均步幅，姿势和摆动时间。下肢运动的变异性由步幅，姿势和摆动时间的变异系数（CVs）表示，躯干运动的变异性由三个方向的垂直自相关系数（ACs）代表（垂直：VT;中外侧：ML;和前后位：AP）。 CC条件下的步态速度明显低于NC条件下的（p <0.0001）。脚底冷却没有改变任何时间参数。但是，即使在调整步态速度后，CC下步态变异性的所有参数也显着更差，CC下的AC-VT，AC-ML和AC-AP显着低于NC下（p = 0.0005、0.0071和0.0126 ， 分别）。我们的研究结果表明，降低足底皮肤温度会导致健康的年轻成年人步态变化。现在需要进一步的研究，以探索老年人的足底皮肤温度与步态之间的关系。

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