Table 1.

Weighted kappa (K _w ) and overall agreement (P _o ) using linear weights, frontal plane postural orientation, 3 ^rd and 7 ^th grade (n= 72)

3 rd grade	K w	P o	7 th grade	K w	P o
Right ankle	0.71	0.92	Right ankle	0.60	0.92
- knee	0.68	0.89	- knee	0.54	0.86
- hip	0.80	0.93	- hip	0.61	0.89
- trunk	0.86	0.97	- trunk	0.73	0.96
Left ankle	0.67	0.92	Left ankle	0.61	0.92
- knee	0.59	0.87	- knee	0.66	0.92
- hip	0.70	0.91	- hip	0.70	0.92
- trunk	0.77	0.94	- trunk	0.77	0.97