Research Article
The Effects of Whole-Body Vibration Exercise on Anticipatory Delay of Core Muscles in Patients with Nonspecific Low Back Pain
Figure 3
Between-group comparison of variation in relative activation time on shoulder flexion. Variation = post-test–pre-test, a negative value indicated that the intervention shortened the relative activation time, and vice versa. WBV, whole-body vibration; ES, erector spinae; MF, multifidus; TrA/IO, transversus abdominus/internal oblique; RA, rectus abdominis. The independent-samples t-test was used to compare the variation. Significant at .