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首页> 外文期刊>Journal of exercise physiology online >Effects of 12-Weeks of Supplementation with β-Hydroxy-β-Methylbutrate-Ca (HMB-Ca) on Athletic Performance
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Effects of 12-Weeks of Supplementation with β-Hydroxy-β-Methylbutrate-Ca (HMB-Ca) on Athletic Performance

机译：补充β-羟基-β-甲基丁酸钙（HMB-Ca）12周对运动表现的影响

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Ferrara CM, Bennett L, Chenette E, Diaz Contreras C, LeBlanc J, Martin A, Muise K, McLaughlin K, Sinclair A, Vraibel J. SelfSelected Exercise Intensity using Two Fitness Apps. JEPonline 2015;18(2):1-7. The purpose of this study was to evaluate the selfselected exercise intensity of two fitness apps: (a) 7 Minutes to Health (7MH); and (b) Cardio Free (CF). Eleven subjects (9 men and 2 women) completed a VO2 max test and two exercise bouts using each of the exercise apps. Oxygen consumption (VO2) and heart rate (HR) were used to determine the intensity of exercise. Paired t-tests were performed to compare VO2 and HR intensity during CF vs. 7MH. All subjects reached a significantly higher %VO2 max (61 ± 8% vs. 42 ± 8%, mean ± SD, P<0.001) and %maximal HR (84 ± 7% vs. 78 ± 7%, P<0.05) during CF vs. 7MH. With CF, 7 subjects achieved %VO2 max values in the moderate intensity range, while 4 were in the vigorous intensity range. With 7MH, 7 subjects achieved %VO2 max values in the moderate intensity range, while 3 were in the light intensity range, and 1 was in the very light intensity range. Although both apps can be used to meet the current recommendation for daily physical activity, the results indicate that individuals may need to increase the intensity of exercise and/or perform exercises at least 2 to 4 times·d-1 to meet the recommendations for moderate or vigorous intensity exercise.
机译：Ferrara CM，Bennett L，Chenette E，Diaz Contreras C，LeBlanc J，Martin A，Muise K，McLaughlin K，Sinclair A，Vraibel J.使用两个健身应用程序进行自我选择的运动强度。 JEPonline 2015; 18（2）：1-7。这项研究的目的是评估两种健身应用程序的自我选择的运动强度：（a）健康的7分钟（7MH）; （b）无心（CF）。 11名受试者（9名男性和2名女性）使用每种运动应用程序完成了最大摄氧量测试和两次运动。耗氧量（VO2）和心率（HR）用于确定运动强度。进行配对t检验以比较CF vs. 7MH期间的VO2和HR强度。在此期间，所有受试者的最大VO2％（61±8％vs. 42±8％，平均值±SD，P <0.001）和最大HR％（84±7％vs. 78±7％，P <0.05）显着更高。 CF vs. 7MH。使用CF，有7位受试者在中等强度范围内达到％VO2最大值，而有4位受试者处于剧烈强度范围内。在7MH的情况下，有7位受试者在中等强度范围内达到了％VO2最大值，而3位在光照强度范围内，有1位在非常光照强度范围内。尽管两个应用程序均可用于满足当前的日常体育锻炼建议，但结果表明，个人可能需要增加运动强度和/或进行运动至少2至4次·d-1，才能达到中等水平的建议。或剧烈运动。

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