Table 2. Effects of lumbar spinal mobilization therapy (LSMT), static stretching (SS), and the combination of LSMT and SS. Dependent Variable Group Time ANOVA Results Pre-Intervention Post-Intervention Group Effect Time Effect Group X Time Interaction Active Knee Extension Test (degrees)*†  LSMT 39.9 ± 9.33 36.4 ± 8.55 F = 1.334 p = 0.280 F = 23.024 p < 0.001 F = 0.203 p = 0.817 SS 34.4 ± 6.90 29.7 ± 8.79 Combination 35.7 ± 10.1 30.9 ± 11.0 Data are means ± SD. † The three groups combined exhibited a decrease from pre-intervention to post-intervention based on α level of 0.05.