Table 2.
Hamstring flexibility. Intra-group analysis.
| SR-0 | SR-1 | SR-2 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Difference SR-0 to SR-1 | Difference SR-0 to SR-2 | ||||||||||
| Variables | Mean ± SD | Mean ± SD | Mean | 95% CI | p | ES | Mean ± SD | Mean | 95% CI | p | ES |
| FR group | 22.35 ± 11.30 | 24.02 ± 11.31 | 1.67 | [0.940; 2.410] | <0.001 | 0.15 | 25.90 ± 10.87 | 3.55 | [2.700; 4.400] | <0.001 | 0.32 |
| PNF group | 22.48 ± 10.36 | 25.67 ± 9.92 | 3.19 | [2.395; 30.990] | <0.001 | 0.32 | 28.12 ± 9.71 | 5.64 | [4.772; 6.509] | <0.001 | 0.56 |
Abbreviations: SD, standard deviation; ES, effect size; CI, confidence interval; SR-0, baseline assessment; SR-1, during intervention; SR-2, end of intervention; PNF, proprioceptive neuromuscular facilitation stretching; FR, foam rolling.