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. 2014 Jan 17;9:209–218. doi: 10.2147/CIA.S55719

Table 4.

Mixed models ANOVA for repetitions

% 1RM Women
Men
60 80 60 80
Test of task by age interaction P=0.13 P=0.30* P=0.06 P=0.19 P=0.02a
Main effect for task* P=0.001*,b P=0.0017b P=0.003b See Table 3 above for comparisons (notes d-g)
Main effect for age* P=0.83* P=0.7303 P=0.72
Compare LP to BC P=0.0001*,c P=0.0006c P=0.0060c
Compare LP to LE P=0.0048*,c P=0.0010c P=0.0010c
Compare BC to LE P=0.0108*,c P=0.97 P=0.2620

Notes: Unstructured covariance because of large heterogeneity of variance across tasks

*

remove bicep curl outlier

a

indicates significant task by age interaction

b

test of simple main effects for task demonstrate significant effect of task

c

indicates significant difference in number of repetitions completed between tasks.

Abbreviations: BC, bicep curl; LE, leg extension; LP, leg press; RM, repetition maximum; ANOVA, analysis of variance.