Table 1.

Average values of the parameters for the pelvis, lumbar spine, and thighs, according to the two squatting birth positions tested in the study (mean, SD)

	Squatting birth position		p value
	On tiptoes $\overline{X}$ [SD]	Flat feet $\overline{X}$ [SD]
Hip flexion (°)	103 [15]	125 [15]	0.02
Hip Abduction (°)	29 [11]	28 [10]	0.28
ANGec (°)	− 49 [13]	− 34 [9]	0.003
Lumbar curve (°)	−18 [14]	− 1 [12]	< 0.001