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Fig. 9. (A) Axial versus bending strain components for the metacarpus and
the radius during outdoor activities. Although axial strain components did not
differ between bones, bending strain in the radius (white bars) was
significantly greater than in the metacarpus (hatched bars). (B) The
coefficient of variation (CV) of the axial and bending strain components for
both bones during outdoor activities. Variability in axial strains was similar
between bones, but the variability in bending strain was significantly greater
in the straighter metacarpus versus the curved radius.