Table 1 Bruce protocol.

From: Isokinetic knee strength as a predictor of cardiorespiratory responses during loaded aerobic capacity test in elite athletes

Level

Speed (mph)

Incline (%)

1

1.7

10

2

2.5

12

3

3.4

14

4

4.2

16

5

5.0

18

6

5.5

20

7

6.0

22

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