Table 1.
The baseline parameters of the participants (mean ± SD).
| Parameter | E (n = 7) | E + TT (n = 6) |
|---|---|---|
| Age (year) | 16.6 ± 1.9 | 16.1 ± 1.8 |
| Height (cm) | 172.7 ± 4.0 | 174.0 ± 8.1 |
| Weight (kg) | 64.1 ± 6.6 | 62.8 ± 15.2 |
| Body fat percentage (%) | 9.6 ± 3.2 | 9.8 ± 2.4 |
| Maximum strength (1RM of barbell bench press, kg) | 72.0 ± 2.0 | 71.0 ± 2.5 |
| Aerobic endurance (10,000 m race, min) | 41.8 ± 2.5 | 42.2 ± 2.5 |
| Anaerobic endurance (peak power/body weight, W/kg) | 8.6 ± 1.3 | 8.3 ± 1.1 |
| Anaerobic endurance (mean power/body weight, W/kg) | 7.2 ± 0.8 | 6.7 ± 0.7 |
Abbreviations: E = exercise; E + TT = exercise plus TT; TT = Tribulus terrestris; RM = repetition maximum.