Table 8.

R-squared values of the ANN models.

Subject No.	Force			Average
	Light	Moderate	Heavy
1	0.956	0.984	0.978	0.973
2	0.887	0.927	0.968	0.928
3	0.91	0.98	0.958	0.95
4	0.976	0.99	0.966	0.977
5	0.968	0.988	0.964	0.974
6	0.956	0.98	0.955	0.964
7	0.968	0.972	0.91	0.95
8	0.931	0.939	0.966	0.945
Average	0.944	0.97	0.958	0.958
S.D.	0.0317	0.0237	0.0206	0.0172