The Effect of Lumbar Disc Herniation on Spine Loading Characteristics during Trunk Flexion and Two Types of Picking Up Activities

Figure 6

The durations and levels of the facet intervention during the analyzed period. Large represents the sum of duration when the facet forces are more than 50 N; small represents the sum of the duration when the facet forces are between 10 N and 50 N. indicates the significant difference between controls and patients.