Table 2.
Bruce treadmill graded exercise test protocol
| Stage | Speed (mph) | Grade (%) | Duration (min) |
|---|---|---|---|
| 1 | 1.7 | 10 | 3 |
| 2 | 2.5 | 12 | 3 |
| 3 | 3.4 | 14 | 3 |
| 4 | 4.2 | 16 | 3 |
| 5 | 5.0 | 18 | 3 |
| 6 | 5.5 | 20 | 3 |
| 7 | 6.0 | 22 | 3 |
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