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Body weights of animals included in this study. NL: normally loaded; HU: hindlimb unloading; Rel: reambulated (reloading). The HU group was compared to their age- and sex-matched NL controls by Student’s t-test. Sample sizes: N = 5–8/group for all groups except for 90D older males, where N = 3. Values depicted are means and standard deviation. * Significant at p < 0.05 by Student’s t-test.
