美国运动医学会（ACSM）预测方程在确定大学生年龄男性和女性步行热量消耗方面的准确性。
The accuracy of the ACSM prediction equations, for determining walking caloric expenditure, in college-aged males and females.
作者信息
Stoedefalke Kerstin, Hawkins Madison A
机构信息
School of Nursing and Health Sciences, Colby-Sawyer College, New London, New Hampshire, USA.
Electrophysiology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, USA.
出版信息
J Am Coll Health. 2022 Jan;70(1):130-133. doi: 10.1080/07448481.2020.1727910. Epub 2020 Mar 9.
OBJECTIVE
Determine whether the ACSM walking equations, which calculate caloric expenditure, were accurate for college-aged males and females.
PARTICIPANTS
Between 2011 and 2016, 100 college-aged males, 20.24 ± 2.0 years old, and 100 college-aged females, 20.8 ± 1.3 years old, volunteered to participate.
METHODS
Participants walked on a treadmill at 80.4 m⋅min at grades of 2, 4, and 6%. Oxygen uptake was measured with an oxygen analyzer (Medgraphics VO2000, Minneapolis, MN). Measurements were converted to caloric expenditure.
RESULTS
The mean metabolically derived (MD) values, in ml·kg·min for males walking at grades of 2.0, 4.0 and 6.0% were: 15.4 ± 2.7, 17.3 ± 2.6, 19.6 ± 2.8, respectively, and for females were: 15.2 ± 1.1, 16.0 ± 2.0, 17.4 ± 4.2, respectively. ACSM prediction equation values for at the described parameters are 14.4, 17.3 and 20.8, respectively.
CONCLUSIONS
ACSM prediction equations are not a good predictor of overall caloric expenditure, in college-aged males and females.
目的
确定用于计算热量消耗的美国运动医学会（ACSM）步行公式对大学生年龄段的男性和女性是否准确。
参与者
2011年至2016年间，100名年龄在20.24±2.0岁的大学生男性和100名年龄在20.8±1.3岁的大学生女性自愿参与。
方法
参与者在跑步机上以80.4米/分钟的速度行走，坡度分别为2%、4%和6%。使用氧气分析仪（Medgraphics VO2000，明尼阿波利斯，明尼苏达州）测量摄氧量。测量值被转换为热量消耗。
结果
男性在2.0%、4.0%和6.0%坡度行走时，以毫升·千克·分钟为单位的平均代谢衍生（MD）值分别为：15.4±2.7、17.3±2.6、19.6±2.8，女性的相应值分别为：15.2±1.1、16.0±2.0、17.4±4.2。在所描述参数下，ACSM预测方程的值分别为14.4、17.3和20.8。
结论
ACSM预测方程并非大学生年龄段男性和女性总体热量消耗的良好预测指标。
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