Table 3. Comparison between the groups pre- and postintervention (N = 30).

Variables	Stage	Group B (mean ± SD)	Group A (mean ± SD)
Lordotic angle (°)	Preintervention	24.3 ± 4.9	26.0 ± 7.0
	Postintervention	28.0 ± 3.5	27.0 ± 6.7
Lumbosacral angle (°)	Preintervention	17.1 ± 4.0	15.7 ± 4.7
	Postintervention	15.1 ± 3.1	13.5 ± 3.4
Sacral angle (°)	Preintervention	37.2 ± 5.0	34.1 ± 6.3
	Postintervention	33.8 ± 2.7	31.3 ± 4.3
ODI (%)	Preintervention	40.4 ± 9.4	36.7 ± 5.4
	Postintervention	23.0 ± 6.3	23.9 ± 7.6

Group B: lumbar stabilization exercise with thoracic extension exercise group; Group A: lumbar stabilization exercise group