Table 2.

Lumbar lordosis, range of motion, and sex-based differences

Variable	Male	Female	p-value
Lumbar lordosis: T12-S1 (°)
Recumbent	33.9±13.8	39.4±13.7	<0.0001
Standing	47.8±11.7	51.6±11.6	<0.0001
Range of motion (°)
Flexion	31.4±13.8	34.7±13.6	<0.01
Extension	19.9±12.0	18.9±11.6	-
Total	51.2±16.6	53.7±16.6	0.068

Values are presented as mean±standard deviation.