Table 3 Effect of the simulated muscle force on the lumbar spine reposition as calculated by multivariate linear regression.

From: A rig for in vitro testing of the lumbar spine and pelvis simulating posterior, anterior and oblique trunk muscles

 

Applied force range (N)

Ext/Flex (°/N)

Lateral Bending (°/N)

Axial rotation (°/N)

Posterior trunk muscles

0–600 N

0.1 ± 0.05

0.06 ± 0.04

0.02 ± 0.02

Anterior trunk muscles

0–350 N

0.16 ± 0.06

0.10 ± 0.06

0.03 ± 0.02

Oblique trunk muscles

0–200 N

0.12 ± 0.08

0.17 ± 0.16

0.10 ± 0.14

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