Table 2. Descriptive data on knee extension strength and motor fitness in adolescent boys. Data are means (±SD).
|
Training group (n = 36) |
Control group (n = 58) |
|
Pre |
Post |
% |
Pre |
Post |
% |
KES (kg) |
41.6 (11.2) |
47.9 (12.6) * |
16.0 |
44.7 (10.1) |
48.0 (11.1) * |
8.1 # |
KES/BM (kg/kg2/3) |
3.08 (.59) |
3.51 (.64) * |
14.8 |
3.25 (.53) |
3.46 (.57) * |
7.0 # |
Sprint velocity (m/s) |
5.21 (.80) |
5.18 (.83) |
-.5 |
5.17 (.59) |
5.32 (.67) * |
2.9 # |
Jump height (cm) |
32.1 (6.0) |
33.1 (6.5) * |
3.4 |
31.6 (5.4) |
31.9 (5.1) |
1.8 |
*, Significance change between Pre and Post (p < 0.05).#, Significance difference in relative change before intervention (p < 0.05). KES, knee extension strength; BM, body mass; %, relative change from the initial value at Pre.