Table 2.
Indices of intensity (mean ± standard deviation, N or p-value) during peak exercise
| Indices of Intensity | ||||
|---|---|---|---|---|
|
| ||||
| N | Mean | SD | p-value | |
| HR (beats/min) | ||||
| Arg/Arg | 18 | 188.5 | 9.89 | 0.024* |
| Arg/Gly | 24 | 181.0 | 9.68 | |
| Gly/Gly | 34 | 186.9 | 9.43 | |
| Total | 76 | 185.4 | 9.98 | |
|
| ||||
| RPE | ||||
| Arg/Arg | 18 | 18.94 | 0.24 | 0.039* |
| Arg/Gly | 24 | 18.56 | 0.51 | |
| Gly/Gly | 34 | 18.76 | 0.55 | |
| Total | 76 | 18.74 | 0.49 | |
|
| ||||
| RER | ||||
| Arg/Arg | 18 | 1.16 | 0.015 | 0.836 |
| Arg/Gly | 24 | 1.15 | 0.010 | |
| Gly/Gly | 34 | 1.15 | 0.010 | |
| Total | 76 | 1.15 | 0.006 | |
|
| ||||
| RR (breaths/min) | ||||
| Arg/Arg | 18 | 43.17 | 2.10 | 0.295 |
| Arg/Gly | 24 | 40.84 | 1.38 | |
| Gly/Gly | 34 | 39.74 | 1.21 | |
| Total | 76 | 40.90 | 0.86 | |
HR = heart rate; RPE = rating of perceived exertion; RER = respiratory exchange ratio; RR = respiratory rate.
*
p< 0.05