Cadence-based energy expenditure in able-bodied male people comparing cadence-based energy expenditure and oxygen cost indices in able-bodied male people.

IF 3.3 3区 医学 Q1 PHYSIOLOGY
Journal of applied physiology Pub Date : 2024-12-01 Epub Date: 2024-10-17 DOI:10.1152/japplphysiol.00294.2024
Juntaek Hong, Jehyeon Yu, Juyeon Lee, Dain Shim, Tae Young Choi, Ye Bin Cho, Jeuhee Lee, Dong-Wook Rha
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Abstract

Walking is a fundamental aspect of daily life and exercise, with clinical benefits for cardiovascular health and muscle strength. However, accurately measuring energy efficiency during walking poses challenges due to equipment and spatial constraints. In this study, we proposed the cadence-based energy expenditure index (cEEI) and analyzed its correlation with the previously proposed index for measuring energy expenditure under various gait conditions. We enrolled 15 healthy participants and conducted an experimental protocol on a treadmill to measure the following energy expenditure-related indices: oxygen cost index (OCI), energy expenditure index (EEI), and cEEI. The participants underwent stages of walking at different speeds and inclinations that comply with the modified Bruce protocol, whereas their heart rate, oxygen uptake, and cadence were recorded. Participants showed significant increases in heart rate, oxygen uptake, and cadence with higher walking speeds and inclinations. Correlation analysis revealed strong associations between cEEI and OCI, especially during walking conditions. Bland-Altman plots and interclass correlation coefficient analysis demonstrated a favorable agreement between cEEI and OCI, outperforming EEI. In conclusion, this study proposes cEEI as a reliable metric for estimating energy expenditure during walking by proving a strong correlation and agreement with OCI across various gait conditions. This suggests the potential for cEEI to provide real-time, individualized feedback on energy expenditure during walking, facilitating more personalized exercise prescriptions.NEW & NOTEWORTHY We proposed cEEI as a reliable metric for estimating energy expenditure under various walking conditions. Its demonstrated accuracy and potential for real-time individualized feedback could revolutionize personalized exercise prescriptions for diverse sexes and age groups, as well as individuals with disabilities requiring real-time physical monitoring and home care.

比较健全男性基于步频的能量消耗和氧气成本指数。
步行是日常生活和锻炼的一个基本方面,对心血管健康和肌肉力量有临床益处。然而,由于设备和空间的限制,精确测量步行过程中的能量效率是一项挑战。在这项研究中,我们提出了基于步频的能量消耗指数(cEEI),并分析了它与之前提出的在各种步态条件下测量能量消耗指数的相关性。我们招募了 15 名健康参与者,并在跑步机上进行了实验,以测量以下与能量消耗相关的指数:氧成本指数(OCI)、能量消耗指数(EEI)和 cEEI。参与者按照修改后的布鲁斯方案,以不同的速度和倾斜度进行分阶段行走,同时记录他们的心率、摄氧量和步频。结果表明,随着行走速度和倾斜度的增加,参与者的心率、摄氧量和步频都明显增加。相关分析表明,cEEI 和 OCI 之间存在密切联系,尤其是在步行条件下。Bland-Altman 图和类间相关系数分析表明,cEEI 和 OCI 之间的一致性很好,优于 EEI。总之,本研究通过证明 cEEI 与 OCI 在各种步态条件下的强相关性和一致性,提出 cEEI 是估算步行过程中能量消耗的可靠指标。这表明 cEEI 有潜力为步行过程中的能量消耗提供实时、个性化的反馈,从而促进更加个性化的运动处方。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
6.00
自引率
9.10%
发文量
296
审稿时长
2-4 weeks
期刊介绍: The Journal of Applied Physiology publishes the highest quality original research and reviews that examine novel adaptive and integrative physiological mechanisms in humans and animals that advance the field. The journal encourages the submission of manuscripts that examine the acute and adaptive responses of various organs, tissues, cells and/or molecular pathways to environmental, physiological and/or pathophysiological stressors. As an applied physiology journal, topics of interest are not limited to a particular organ system. The journal, therefore, considers a wide array of integrative and translational research topics examining the mechanisms involved in disease processes and mitigation strategies, as well as the promotion of health and well-being throughout the lifespan. Priority is given to manuscripts that provide mechanistic insight deemed to exert an impact on the field.
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