| Variables | Mean | SD | t | df | R | Sig. (2-tailed) | |
| Hop take-off angels | 2009 | 13.00 | 0.71 | 0.120 | 01 | −1 | 0.924 |
| 2011 | 13.35 | 1.06 | |||||
| Step take-off angels | 2009 | 5.76 | 1.41 | −0.529 | +1 | 0.690 | |
| 2011 | 5.41 | 0.21 | |||||
| Jump take-off angels | 2009 | 5.06 | 0.71 | −4.20 | +1 | 0.149 | |
| 2011 | 5.85 | 0.35 | |||||