The Karvonen formula, which is widely used to estimate exercise intensity, contains maximum heart rate, H Rmax, as a variable. This study employed pedaling experiments to assess which of the proposed formulas for calculating H Rmaxwas the most suitable for use with the Karvonen formula. First,...
Maximum heart rate (MHR) is commonly used to estimate exercise intensity with the Karvonen formula, and there are several methods of calculating it. In this study, we used pedaling experiments on a cycle ergometer to evaluate methods of determining MHR in order to select the ones most suitable...
Target heart rate (THR) has always been based on a unisex formula, but now researchers say that works out to be too high for women. The new calculations are in this chart.
At age 50, the original formula gives a peak rate of 170 beats per minute for men and women. The new women's formula gives a maximum heart rate of 162 beats for women. Many men and women use their peak heart rate multiplied by 65 to 85 percent to determine their upper heart rate wh...
heart rate. Plus, 180 minus age itself is not a meaningful number; for example, it is not associated with VO2max, lactate threshold, or other traditional measurements. The end number is an athlete’s maximum aerobic heart rate. Thanks to the MAF 180 Formula, all athletes can now obtain ...
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Ideally, you should measure your resting and maximum heart rate for more accurate results. If the maximum heart rate cannot be measured directly, it can be roughly estimated using the traditional formula 220 minus your age (see thistable of heart rate max). Also, an average value of 70 bpm...
QT dispersion (QTd: maximum QT interval-minimum QT interval) is associated with severe cardiac arrhythmia and with abnormal ventricular repolarization. We ... H,Musha,T,... - 《Japanese Heart Journal》 被引量: 32发表: 1997年 r unsuitability of corrected qt dispersion as a marker for ventricul...
An improved method for adjusting the QT interval for heart rate (the Framingham Heart Study) Recently, the adequacy of Bazett's formula has been questioned. To evaluate the heart rate QT association, the QT interval was measured on the initial ... Alex Sagie and Martin G. Larson and Robert...
Empirically, data suggests that the velocity of money is indeed variable. Moreover, the relationship between money velocity and inflation is also variable. For example, from 1959 through the end of 2007, the velocity of M2 money stock averaged approximately 1.9x with a maximum of 2.198x in 199...