Table 1. Characterization of the sample of adolescents (n =20). Data expressed as mean and standard deviation for parametric variables, median and 95% confidence intervals for nonparametric variables and range (minimum-maximum).
| Proportion, measures of position and dispersion | Minimum-maximum | |
|---|---|---|
| Gender (male/female) | 11/9 | |
| Maturation (stages: 2/3/4) | 7/6/7 | |
| Age (years) | 13.0±1.8 | (10.0-16.0) |
| Body mass (kg) | 51.4±9.3 | (34.0-76.0) |
| Height (cm) | 157.4±9.5 | (146.0-180.0) |
| BMI (kg·m-2) | 20.6±2.3 | (15.4-24.5) |
| VO2max (mL·kg-1·min-1)a | 48.4 (47.4-51.8) | (43.9-59.9) |
| V max (km·h-1) | 11.6±1.2 | (9.5-14.0) |
| HRmax (bpm) | 203.6±6.0 | (192.0-213.0) |
| HRrest (bpm) | 65.0±7.3 | (50.0-76.0) |
| HRcontrol (bpm) | 80.8±7.9 | (67.3-99.8) |
| HRexercise (bpm) | 165.4±8.3 | (149.8-176.8) |
| HRR (%)a | 73.5 (70.0-73.3) | (65.0-75.0) |
HRcontrol, mean heart rate of the control session; HRexercise, mean heart rate of the exercise session; HRmax, maximum heart rate; HRR, percentage of heart rate reserve at the exercise session; HRrest, resting heart rate; BMI, body mass index; V max, maximum velocity; VO2max, maximal oxygen uptake.
a
Nonparametric variable.