Biomechanical evaluation of immediate stability with rectangular versus cylindrical interbody cages in stabilization of the lumbar spine

Table 1 ROM in individual specimen in the rectangular cage group. The ROM in degrees in intact specimen, following fixation with the rectangular cage, and following additional posterior translaminar screw fixation.

	Intact			Following cage insertion			Following additional translaminar screw fixation
	FE	LAT	ROT	FE	LAT	ROT	FE	LAT	ROT
Specimen 1	3.882	1.801	4.978	1.502	0.357	2.801	0.85	0.366	0.986
Specimen 2	7.236	3.263	5.213	3.632	2.691	4.176	1.975	0.829	1.361
Specimen 3	5.086	2.75	2.173	0.951	0.706	0.636	0.193	0.08	0.2
Specimen 4	7.193	4.073	4.283	4.999	1.783	1.593	1.237	0.525	0.574
Specimen 5	6.342	3.001	2.982	2.778	1.095	1.428	1.218	0.558	0.534

ISSN: 1471-2474