Skip to main content

Table 2 Duration and percentage of time in static back posture for LBP subjects and asymptomatic subjects in four trunk flexion categories

From: The association between back pain and trunk posture of workers in a special school for the severe handicaps

  Subjects with LBP
(n = 18)
Asymptomatic subjects
(n = 15)
p-value
≤ 10° flexion 3.41 ± 0.83 hr 56.9 ± 13.7% 4.61 ± 0.93 hr 76.8 ± 15.6% 0.002
11°–30° flexion 1.86 ± 0.59 hr 31.0 ± 9.9% 1.09 ± 0.74 hr 18.2 ± 12.4% 0.012
31°–60° flexion 0.69 ± 0.34 hr 10.2 ± 5.7% 0.25 ± 0.18 hr 4.2 ± 3.0% 0.002
≥ 61° flexion 0.11 ± 0.12 hr 1.9 ± 2.0% 0.03 ± 0.02 hr 0.5 ± 0.4% 0.012
Total 6 hr 100% 6 hr 100%