Table 5. Static and dynamic balance in the groups (values are mean±SD) from pre-test to post-test.

	pre-test	post-test	95%CI
11+ group
Static balance (EO) (s)	42.3±3.3	53.2±5.6	0.4 to 21.5*
Static balance (EC) (s)	17.9±2.6	30.3±5.4	1.7 to 23.2*
SEBT (cm)	97.2±9.4	103.9±5.6	2.7 to 10.7**
HarmoKnee
Static balance (EO) (s)	41±5.1	47.1±8.8	1.7 to 10.6**
Static balance (EC) (s)	16.4±7.2	34±6.4	3.1 to 32.1*
SEBT (cm)	103.6±6.2	109.2±5.5	1.6 to 9.7**
Control
Static balance (EO) (s)	40.9±4.8	44.2±3.5	2.3 to 8.9
Static balance (EC) (s)	17.7±4.3	19.9±4.2	6.02 to 10.5
SEBT (cm)	97.7±5.9	98.4±3.9	2.1 to 3.5

Legend: pre = pre-test; post = post-test, CI = confidence interval; EO = eyes opened; EC = eyes closed; s = second; cm = centimetre; * p<0.05; **p<0.01.