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Within-group change (Δ) in right-handed isometric handgrip strength pre to post. Error bars illustrate SD (placebo CMT group = ± 1.67; CMT group = ± 1.65). Placebo CMT group 95% confidence interval (CI): − 2.3 lower and + 3.3 upper, t test = 0.699. CMT group 95% CI: − 4.5 lower and + 3.2 upper, t test = 0.710. CMT, chiropractic manipulative therapy.
