Table 1 Characteristics of the study participants (N = 39) by group
Characteristic | Advanced tennis players (n = 13) | Intermediate tennis players (n = 13) | Recreational tennis players (n = 13) |
|---|---|---|---|
ITN | 2–3 | 4–6 | 7–10 |
Sex [f/m] | 7/6 | 7/6 | 8/5 |
Age [years] | 25.9 ± 7.1 | 23.5 ± 7.1 | 21.1 ± 4.0 |
Body height [cm] | 180.5 ± 6.3 | 173.4 ± 12.0 | 176.9 ± 11.8 |
Body mass [kg] | 71.8 ± 7.0 | 69.7 ± 12.7 | 69.9 ± 11.5 |
Training experience [years] | 19.7 ± 6.3 | 16.2 ± 6.4 | 11.6 ± 7.0 |
Training volume [hours/week] | 4.1 ± 1.8 | 3.7 ± 2.7 | 1.5 ± 1.1 |