Table 1:

Sagittal Vertebral displacement ± standard deviation of T7 and T8 from “Preload phase” to peak force.

Impulse duration	T7 (mm ± SD)	T8 (mm ± SD)
125 ms	14.52 ± 2.94	13.27 ± 3.02
175 ms	15.18 ± 2.84	13.84 ± 2.95
225 ms	15.58 ± 1.83	13.78 ± 2.65
275 ms	15.51 ± 1.91	14.01 ± 2.53