F. Miller, Avniel Barrow, A. Perez, Yenly Londono Calle
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引用次数: 0
摘要
本研究的目的是确定三种姿势(坐着,站着,走着)的热量消耗和打字速度是否不同。方法:选取棒球队和田径队的大学生40名,年龄18-22岁,男30名,女10名。每个参与者在三种不同的姿势上接受了5分钟的测试。通过间接量热法测量热量消耗,通过3分钟打字测试测量打字效率。采用重复测量方差分析和t检验来确定热量消耗和打字速度的统计差异。结果:步行时的热量消耗(每5分钟卡路里)(16.4±3.1)明显高于坐着时(9.0±2.4,p <0.0001)和站立时(9.4±2.0,p <0.0001)。在打字效率方面,站立打字速度比步行快(37.4±10.2 vs. 34.7±10.7,p = 0096)。结论:在工作时使用站立式移动办公桌打字比坐在或站在办公桌前打字消耗的卡路里多得多。然而,站着打字的速度比走着打字的速度要快得多。
Differences in Energy Expenditure and Typing Speed While Sitting, Standing, and Walking in College Students
Introduction: The purpose of this study was to determine if caloric expenditure and typing speed differed among three positions (sitting, standing, walking). Methods: Participants included 40 college students (18-22 years, 30 males and 10 females) on either the baseball or track and field teams. Each participant was tested for 5 minutes in three different positions. Caloric expenditure was measured via indirect calorimetry and typing productivity via a 3-minute typing test. Repeated measures ANOVAs and T-Tests were performed to determine statistical differences for caloric expenditure and typing speed. Results: Caloric expenditure (calories per 5 minutes) was significantly higher for walking (16.4 ± 3.1) than for sitting (9.0 ± 2.4, p <0.0001) and standing (9.4 ± 2.0, p <0.0001). For typing productivity, standing resulted in faster typing speed than walking (37.4 ± 10.2 vs. 34.7 ± 10.7 wpm, p = 0096). Conclusions: Using a standup walking desk to type while working expends significantly more calories than typing while sitting or standing at a desk. However, typing speed was significantly higher while standing at a desk than while walking at a desk.