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. 2021 Jun 3;27(6):1017–1022. doi: 10.1111/srt.13051

TABLE 1.

Parameters calculated by the Ballistometer®

Parameter (unit)
Alpha (AU) Rate of exponential decay
CoR 1, 2, 3 (AU) Coefficient of restitution for the first, second, and third bounces
Mean CoR (AU) Average of CoR 1, CoR 2, and CoR 3
Area (mm2) Area under the curve
K (mm) Start height
Indentation (mm) Indentation depth

Abbreviations: AU, arbitrary unit; CoR, coefficient of restitution.