Table 2: Multivariate analysis of the influence of maximal strength of the trunk muscles on the functional performance variables in the elderly women.
| Variables | R2 | Beta (β) | p-value |
| p-value | 0.275 | < 0.001* | |
| Maximal flexor strength (N) | 0.524 | ||
| Sitting and standing up (rep) | 0.014 | 0.745 | |
| Maximal flexor strength (N) | -0.130 | ||
| Maximal extensor strenght (N) | 0.145 | ||
| Standing up and walking (s) | 0.033 | 0.498 | |
| Maximal flexor strength (N) | -0.111 | ||
| Maximal extensor strenght (N) | -0.088 | ||
| Walking for 6 minutes (m) | 0.010 | 0.813 | |
| Maximal flexor strength (N) | 0.113 | ||
| Maximal extensor strenght (N) | -0.120 |