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Table 2 Average asymmetry factor (AAF) under various moments and preloads

From: Biomechanical response of lumbar facet joints under follower preload: a finite element study

  Flexion Extension Bending(ipsilateral) Bending(contralateral) Torsion(contralateral)
CF CA MCP CF CA MCP CF CA MCP CF CA MCP CF CA MCP
0 110.0 169.9 28.5 15.5 24.2 37.7 259.9 223.4 577.5 46.6 43.1 84.1 1.4 3.1 3.6
500 56.7 93.7 23.6 12.4 33.3 45.9 438.4 423.6 799.2 51.4 53.6 83.4 2.5 6.3 5.0
800 45.2 76.7 21.7 12.3 28.1 41.8 433.9 422.4 831.8 52.7 50.9 74.9 3.4 6.2 5.8
1200 34.2 39.9 4.2 10.3 26.1 37.4 385.8 313.4 810.7 52.1 32.5 56.1 5.0 7.2 8.6
  1. (CF: contact force; CA: contact area; MCP: mean contact pressure)