Table 2 Pearson correlation coefficient between maximum height (MH) or flight height (FH) and peak vertical forces (F1 and F2) (n = 30). F1 F2 MH FH F1 Pearson Correlation 1 -.027 .567(**) .584(**) Sig. (2-tailed) .886 .001 .001 F2 Pearson Correlation -.027 1 .157 .066 Sig. (2-tailed) .886 .406 .730 MH Pearson Correlation .567(**) .157 1 .814(**) Sig. (2-tailed) .001 .406 .000 FH Pearson Correlation .584(**) .066 .814(**) 1 Sig. (2-tailed) .001 .730 .000 ** Correlation is significant at the 0.01 level (2-tailed).