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Comparisons between upper lumbar and lower lumbar spine static and peak angles across postures and tasks. |
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| Posture/Activity |
ULx angle (°) |
LLx angle (°) |
p-value |
p-value adjusted for BMI |
ULx/LLx correlation (p-value) |
|
|
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| Usual sitting |
4.1 ± 8.8 |
-1.3 ± 8.8 |
< 0.001 |
0.497 |
0.036 (0.638) |
| Usual standing |
23.4 ± 11.2 |
15.5 ± 9.6 |
< 0.001 |
0.016 |
- 0.505 (< 0.001) |
| Slump sitting |
1.6 ± 9.1 |
-8.6 ± 6.1 |
< 0.001 |
0.770 |
- 0.111 (0.151) |
| Sway standing |
31.2 ± 13.6 |
17.4 ± 11.9 |
< 0.001 |
0.576 |
- 0.58 (< 0.001) |
| Maximal flexion |
11.8 ± 6.8 |
15.4 ± 5.9 |
< 0.001 |
0.026 |
- 0.062 (0.426) |
| Maximal extension |
44.1 ± 19.9 |
25.8 ± 16.0 |
< 0.001 |
0.183 |
- 0.509 (< 0.001) |
| Pick up pen |
-8.1 ± 7.2 |
-12.5 ± 6.3 |
< 0.001 |
0.015 |
0.197 (0.012) |
| Pick up box |
-5.3 ± 8.3 |
-8.5 ± 8.5 |
< 0.001 |
0.108 |
0.274 (< 0.001) |
| Transfer pillow |
3.5 ± 8.5 |
-4.7 ± 8.3 |
< 0.001 |
0.013 |
- 0.017 (0.825) |
| Transfer box |
8.4 ± 8.9 |
1.7 ± 8.4 |
< 0.001 |
0.031 |
- 0.147 (0.062) |
| Squat |
-3.2 ± 9.0 |
-2.9 ± 9.6 |
0.866 |
0.968 |
0.346 (< 0.001) |
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Repeated measures ANCOVA and correlations adjusted for BMI. LLx = Lower Lumbar, ULx = Upper Lumbar, BMI = Body Mass Index, Negative value = relative flexion (kyphosis) of lumbar spine. | |||||
Mitchell et al. BMC Musculoskeletal Disorders 2008 9:152 doi:10.1186/1471-2474-9-152 |
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