Table 2. Balance ability assessment with BBS.

Subject	BBS sub task		Before training	After training		Progress
A	Sit to Stand		With hand assistance	Without hand assistance		Significant
	Standing unsupported with eyes closed		Unstable	More stable		Significant
	Stand unsupported with feet together		With hand assistance	Without hand assistance and longer standing time		Average
	Reaching forward with outstretched arm		Some reach	Longer reach		Average
	Pick up object from the floor from a standing position		No change			Non
	Turn to look behind over left and right shoulders while standing		Can’t look behind over affected side	Can look behind over affected side		Significant
	Turn 360°		Low speed	Faster speed (but the score not enough to next level)		Weak
	Place alternate foot on bench or stool while standing unsupported		Could not step on a stool	Stepped on the stool twice without any support		Significant
	Stand unsupported with one foot in front		Not able to stand	Unsupported with one foot in front for 8 s		Significant
	Standing on one leg		Could not stand on the affected side, short term on the healthy side	Still could not stand on the affected side, but more time on the healthy side		Average
B	Stand unsupported with feet together		stand for a long time, but need assistance to drew the feet	drew the feet by himself		Significant
	Place alternate foot on bench or stool while standing unsupported		Took 24 s	Only took 12 s		Significant
	Stand unsupported with one foot in front		Not able to stand	Stood for 20 s		Significant
	Reaching forward with outstretched arm		18 cm	19 cm		Weak
	Pick up object from the floor from a standing position		No change			Non
	Turn to look behind over left and right shoulders while standing		No change			Non
	Turn 360°		Took 13 s	Took 12 s		Weak
BBS score		Case A			Case B
Before/After/Rate of progress		36 point / 43point /19.44%			42 point / 47 point /11.9%