Table 2. Comparison of pulmonary function and kyphosis angle in pre-test and post-test of self-stretching group (N=10)

		Pre test	Post test	t value	p value
Pulmonary function (%)	FEV (L)	3.97±0.79	4.09±0.78	−7.22	<0.01*
	FEV1 (L/sec)	3.69±0.62	3.77±0.62	−2.57	0.03
	PEF (L/sec)	5.05±1.12	5.14±1.19	−1.89	0.09
Kyphosis (deg)		44.30±1.97	34.60±1.71	5.21	<0.01*

Data are expressed as mean±SD. FVC, forced vital capacity; FEV1, forced expiratory volume in 1sec; PEF, peak expiratory flow;
p<0.05.