Table 1:

Changes in lumbar extension strength and stability

Variables		Pre-test	Post-test
Lumbar extension strength (ft-lbs)	0	47.5±16.7	73.1±18.5**
	12	62.3±18.1	92.0±20.1***
	24	71.7±20.2	107.7±19.5***
	36	83.5±20.0	121.7±22.5***
	48	91.9±20.5	129.0±21.7***
	60	98.6±21.8	140.0±23.5***
	72	105.6±24.2	151.0±27.9***
Stability (%)	Left fore-foot	23.1±4.6	23.3±6.6
	Left rear-foot	26.8±7.3	26.1±5.3
	Right fore-foot	23.0±4.7	23.4±6.7
	Right rear-foot	27.8±5.8	26.1±6.2*
	Weight distribution index	6.1±3.4	5.0±2.1

Values are Mean±SD,

^*P<0.05,

^**P<0.01,

^***P<0.001