Table 3. Analysis of the L-L diameter of the intervertebral disk.

	Before loading		Loaded		Z	p
IV SPACE	Median	IQ range	Median	IQ range
L3/L4	58,0	55,3-60,7	59,2	56,1-62,0	-7,577	<0.001
L4/L5	60,1	56,3-62,5	61,4	57,4-63,5	-7,679	<0.001
L5/S1	57,5	54,3-61,5	58,3	54,9-62,7	-7,632	<0.001