Stryd脚蹬是在跑步机上行走和跑步时测量步速的有效方法

Madeline E. Shivgulam, Jennifer L. Petterson, Liam P. Pellerine, D. Kimmerly, M. O'Brien
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引用次数: 0

摘要

步频是运动强度的重要决定因素,越快的步频对健康越有益。Stryd监控器提供实时反馈的步伐节奏。有限的现有文献既没有验证Stryd从慢走到快跑的速度,也没有严格遵循监测验证研究的统计指南。我们评估了Stryd监测器在多种步行和慢跑/跑步速度下检测步速的标准效度。假设Stryd监测器可以准确测量所有测量速度下的步速。46名参与者(23±5岁,26名女性)在鞋带上佩戴Stryd监测仪,进行10阶段渐进式跑步机步行(速度1-5)和慢跑/跑步(速度6-10)方案(标准:手动计数视频录制的节奏;总阶段:438)。遵循体育活动监测统计分析的标准化指南。双向重复测量方差分析显示,Stryd监测仪在2英里/小时(92.1±6.2步/分钟vs 91.5±6.4步/分钟,p < 0.001), 2.5英里/小时(101.3±6.1步/分钟vs 100.7±6.4步/分钟)和3.5英里/小时(117.4±5.9步/分钟vs 117.0±6.0步/分钟)时记录了稍高的节奏(<1步/分钟差异,p < 0.001)。然而,等效性测试证明了Stryd在所有速度下的高等效性和手动计算的节奏(等效区要求:≤±2.6%)。Stryd活动监视器是一种有效的测量步行、慢跑和跑步速度的步伐节奏的方法。通过提供实时的节奏反馈,Stryd监测器有很大的潜力帮助指导公众监测他们的步伐强度,以更快的节奏促进更多的习惯性活动。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Stryd Foot Pod Is a Valid Measure of Stepping Cadence During Treadmill Walking and Running
Stepping cadence is an important determinant of activity intensity, with faster stepping associated with the most health benefits. The Stryd monitor provides real-time feedback on stepping cadence. The limited existing literature has neither validated the Stryd across slow walking to fast running speeds nor strictly followed statistical guidelines for monitor validation studies. We assessed the criterion validity of the Stryd monitor to detect stepping cadence across multiple walking and jogging/running speeds. It was hypothesized that the Stryd monitor would be an accurate measure of stepping cadence across all measured speeds. Forty-six participants (23 ± 5 years, 26 females) wore the Stryd monitor on their shoelaces during a 10-stage progressive treadmill walking (Speeds 1–5) and jogging/running (Speeds 6–10) protocol (criterion: manually counted video-recorded cadence; total stages: 438). Standardized guidelines for physical activity monitor statistical analyses were followed. A two-way repeated-measure analysis of variance revealed the Stryd monitor recorded a slightly higher cadence (<1 steps/min difference, all p < .001) at 2 miles/hr (92.1 ± 6.2 steps/min vs. 91.5 ± 6.4 steps/min, p < .001), 2.5 miles/hr (101.3 ± 6.1 steps/min vs. 100.7 ± 6.4 steps/min), and 3.5 miles/hr (117.4 ± 5.9 steps/min vs. 117.0 ± 6.0 steps/min). However, equivalence testing demonstrated high equivalence of the Stryd and manually counted cadence (equivalence zone required: ≤± 2.6%) across all speeds. The Stryd activity monitor is a valid measure of stepping cadence across walking, jogging, and running speeds. By providing real-time cadence feedback, the Stryd monitor has strong potential to help guide the general public monitor their stepping intensity to promote more habitual activity at faster cadences.
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