TABLE 2.

Validation analyses of the squat and lunge statistical kinetic model. We consider squat and lunge models that capture 80, 90, 95, and 98% of inter-individual population variance.

Validation summary	Squat model				Lunge model
% of inter-variability in the population	80%	90%	95%	98%	80%	90%	95%	98%
Model accuracy RMSE (median ±IQR**) (BW)	0.0149 ±0.0122	0.0107 ±0.0087	0.0075 ±0.0064	0.0054 ±0.0048	0.0248 ±0.0210	0.0162 ±0.0167	0.0132 ±0.0126	0.0082 ±0.0083
Dimensionality*	6	10	14	19	5	9	13	17
Model specificity RMSE (median ±IQR**) (BW)	0.1582±0.0943	0.1581±0.0948	0.1583±0.0946	0.1584±0.0943	0.1291±0.0831	0.1310±0.0815	0.1314±0.0809	0.1320±0.0803

*i.e., the number of modes. **IQR, interquartile range.