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Table 2 ROM values of the four FEMs at all motion segments

From: Application of an interspinous process device after minimally invasive lumbar decompression could lead to stress redistribution at the pars interarticularis: a finite element analysis

Motion Model L1-L2 (Degree) L2-L3 (Degree) L3-L4 (Degree) L4-L5 (Degree)
Flexion INT 3.49 (100%) 3.72 (100%) 3.72 (100%) 4.65 (100%)
DEF 3.49 (100%) 3.68 (99%) 4.47 (120%) 4.60 (99%)
DIAMUNI 3.49 (100%) 3.69 (99%) 4.11 (110%) 4.59 (99%)
DIAMBIL 3.49 (100%) 3.69 (99%) 4.11 (110%) 4.59 (99%)
Extension INT 2.01 (100%) 1.93 (100%) 2.06 (100%) 3.05 (100%)
DEF 1.94 (97%) 1.88 (97%) 2.54 (123%) 3.02 (99%)
DIAMUNI 2.06 (102%) 1.97 (102%) 2.25 (109%) 3.09 (101%)
DIAMBIL 2.10 (104%) 2.03 (105%) 2.40 (117%) 3.15 (103%)
Lateral Bending INT 1.24 (100%) 1.39 (100%) 1.59 (100%) 2.04 (100%)
DEF 1.32 (106%) 1.49 (107%) 1.98 (125%) 2.15 (105%)
DIAMUNI 1.25 (101%) 1.40 (101%) 1.86 (117%) 2.04 (100%)
DIAMBIL 1.23 (99%) 1.37 (99%) 1.84 (116%) 2.02 (99%)
Torsion INT 1.71 (100%) 1.93 (100%) 2.22 (100%) 2.70 (100%)
DEF 1.53 (89%) 1.78 (92%) 2.35 (106%) 2.50 (93%)
DIAMUNI 1.62 (95%) 1.86 (96%) 2.41 (109%) 2.61 (97%)
DIAMBIL 1.62 (95%) 1.86 (96%) 2.41 (109%) 2.60 (96%)
  1. The percentages indicate the ROM values of all the models normalized by the corresponding ROM values of the INT model