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. Author manuscript; available in PMC: 2021 Jan 2.
Published in final edited form as: J Biomech. 2019 Oct 31;98:109436. doi: 10.1016/j.jbiomech.2019.109436

Fig. 3.

Fig. 3.

Graphical comparison of the pelvic floor and non-pelvic muscles’ stiffness. The quadratic coefficient of regression derived from stress-sarcomere length curves of younger (gray bars) and older (black bars) specimens. Pelvic floor muscles (PFMs) were significantly stiffer in older compared to younger donors (*) and stiffer than appendicular muscles within older group (ǂ). In contrast, stiffness of non-pelvic appendicular muscles was not significantly impacted by aging. Footnote Fig. 3: * ǂP values (*between groups and ǂwithin group) were derived from two-way and one-way analysis of variance, respectively, followed by Sidak’s multiple comparisons test, with the significance levels set to 5%.