Maximal Voluntary Contraction
Predictors	Estimates	95% CI	p
(Intercept)	961.81	828.78–1094.84	<0.001 *
Laboratory method a	−178.17	−367.08–10.75	0.065
Ankle pain (/10)	18.07	−24.02–60.15	0.400
Physical activity (METs/week)	0.00	−0.00–0.01	0.067
a In comparison to the portable protocol; * indicates statistical significance; Akaike Information Criterion: 571.2069.