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Table 3 Disc stresses at cephalic adjacent levels

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 L2-L3 (KPa) L3-L4 (KPa)
Flexion INT 526.09 (100%) 460.33 (100%)
DEF 522.81 (99%) 661.07 (144%)
DIAMUNI 522.52 (99%) 586.25 (127%)
DIAMBIL 522.32 (99%) 586.73 (127%)
Extension INT 286.53 (100%) 268.49 (100%)
DEF 278.51 (97%) 355.57 (132%)
DIAMUNI 291.74 (95%) 300.28 (112%)
DIAMBIL 297.33 (104%) 305.06 (114%)
Lateral Bending INT 259.94 (100%) 252.93 (100%)
DEF 339.27 (131%) 269.63 (107%)
DIAMUNI 223.58 (86%) 266.84 (105%)
DIAMBIL 255.59 (98%) 306.49 (121%)
Torsion INT 261.88 (100%) 262.09 (100%)
DEF 228.72 (87%) 313.92 (120%)
DIAMUNI 245.63 (94%) 324.00 (124%)
DIAMBIL 244.96 (94%) 323.05 (123%)
  1. The percentages indicate the disc stresses of all the models normalized by the corresponding disc stresses of the INT model