Estimate maximum heart rate with the Fox, Tanaka, Gellish and Arena formulas and derive training zones from the average.
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Classic formula | HRmax = 220 − age | Fox 1971 (±10–12 bpm) |
| Revised formulas | Tanaka 208−0.7a; Gulati 206−0.88a | Tanaka 2001 / Gulati 2010 |
最大心率(HRmax)是设定训练强度的重要参数。本工具同时给出 Fox、Tanaka、Gellish、Arena 四种公式的估算结果,并提供基于平均值的训练区间。