Table 1.
Physical fitness profile and training frequency for all boys active in leisure-time sports
| Football | Team handball | Gymnastics | Swimming | Badminton | All sports (ASA) | No sports (NSA) | ||||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| Yo-Yo IR1 C test (m) | ahsb 1139 | 567 | af919 | 510 | absf897 | 514 | g756 | 457 | agf782 | 452 | a973 | 543 | 616 | 403 |
| Height (cm) | hb 151.4 | 6.9 | afg153.1 | 6.1 | h149.8 | 5.8 | 152.0 | 7.1 | af152.0 | 7.1 | 151.5 | 6.9 | 151.1 | 7.4 |
| Weight (kg) | ahs41.3 | 7.6 | fg43.7 | 8.6 | abs40.8 | 7.7 | 43.7 | 9.7 | 41.9 | 9.8 | 41.9 | 8.5 | 43.8 | 9.6 |
| SLJ (cm) | a115.4 | 38.9 | a114.6 | 37.3 | as118.6 | 37.0 | a111.7 | 39.1 | a121.8 | 30.1 | a115.1 | 38.6 | 104.9 | 40.0 |
| Balance (s) | a4.38 | 3.38 | ab3.81 | 2.44 | 4.13 | 3.05 | b3.68 | 2.41 | as4.80 | 3.53 | a4.33 | 3.33 | 3.49 | 3.20 |
| Fat percentage (%) | as18.56 | 6.75 | a19.72 | 7.39 | as 19.02 | 6.65 | bgf21.62 | 8.45 | as19.49 | 7.57 | a19.41 | 7.38 | 23.22 | 8.55 |
| Muscle mass (%) | as43.20 | 4.02 | a42.86 | 3.95 | as42.83 | 3.80 | fg41.63 | 4.46 | a42.58 | 4.29 | a42.77 | 4.26 | 40.72 | 4.71 |
| SBP (mm Hg) | a101.4 | 8.6 | a100.9 | 9.7 | 100.4 | 9.2 | 101.7 | 9.1 | 100.8 | 9.7 | 101.0 | 8.8 | 101.2 | 9.2 |
| DBP (mm Hg) | a64.5 | 7.25 | a63.5 | 5.8 | 63.8 | 7.1 | 64.6 | 8.1 | 64.7 | 6.9 | 64.33 | 7.2 | 64.8 | 7.0 |
| MAP (mm Hg) | 76.8 | 6.72 | 76.0 | 6.3 | 76.0 | 7.0 | 77.0 | 7.8 | 76.7 | 6.9 | 76.6 | 6.8 | 76.9 | 6.8 |
| RHR (beats/min) | a72.1 | 10.2 | a72.2 | 10.2 | a72.7 | 9.5 | 74.3 | 10.2 | 74.1 | 10.6 | a72.7 | 10.1 | 75.9 | 10.0 |
| BMI | ahs17.91 | 2.48 | a18.58 | 3.03 | 18.10 | 2.65 | bf18.79 | 3.42 | as17.91 | 2.85 | a18.16 | 2.86 | 19.05 | 3.25 |
| VO2 (mL/min/kg) | ahsb55.5 | 6.6 | a53.0 | 5.9 | as52.7 | 6.0 | f51.1 | 5.3 | af51.4 | 5.3 | a53.6 | 6.3 | 49.5 | 4.7 |
| Training/week (n) | 2.5 | 0.8 | 2.3 | 0.7 | 1.6 | 0.8 | 1.8 | 1.1 | 1.9 | 0.9 | 2.2 | 0.9 | 0 | 0 |
P≤0.05.
The five primary sports and the no-sports group.
a, sign. difference from 'no-sports'; ASA, all-sports-club active; BMI, body mass index; d, sign. difference from badminton; DBP, diastolic blood pressure; f, sign. difference from football; g, sign. difference from gymnastics; h, sign. difference from team handball; NSA, non-sports-club active; RHR, resting heart rate; s, sign. difference from swimming.