Table 3.
Intragroup comparison of normalized to body mass peak vertical ground reaction force values obtained in two-legged and one-legged vertical jumps.
| Studied limb | Two-legged vertical jump | One-legged vertical jump | |||
|---|---|---|---|---|---|
| x | SD | x | SD | ||
| Group I | Involved | 20.71 | 4.39 | 26.51 | 4.17 |
| Uninvolved | 21.11 | 4.38 | 27.06 | 4.46 | |
| p | 0.51 | 0.22 | |||
|
| |||||
| Group II | Involved | 18.57 | 3.50 | 24.92 | 4.93 |
| Uninvolved | 22.82 | 4.40 | 26.91 | 4.36 | |
| p | 0.01 | 0.18 | |||
|
| |||||
| Group III | Right | 20.06 | 4.31 | 27.53 | 4.81 |
| Left | 20.56 | 5.62 | 27.95 | 4.74 | |
| p | 0.46 | 0.27 | |||
n, number of individuals; p, significance level; SD, standard deviation; x, arithmetic mean. Peak vertical ground reaction force normalized to body mass (N/kg). Statistically significant p values are in boldface.