Group means and maximum values of job exposure according to occupation and hand dominance; percentage of daily working hours with arm elevation to different extents, percentage of daily working hours with uninterrupted periods of arm elevation above 90°, and shoulder torque indices*
| Assessed exposures | Machinists | Car mechanics | House painters | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dominant n = 26 | Non-dominant n = 26 | Dominant n = 23 | Non-dominant n = 22 | Dominant n = 23 | Non-dominant n = 24 | |||||||
| *The measurements were performed for both shoulders simultaneously. Differences in the number of dominant and non-dominant shoulders were due to technical limitations. | ||||||||||||
| % time >30°, mean (max) | 32.0 | (60.5) | 31.6 | (55.1) | 35.8 | (50.6) | 33.8 | (48.1) | 39.8 | (60.6) | 33.4 | (52.9) |
| % time >60°, mean (max) | 5.7 | (20.6) | 7.0 | (15.0) | 10.0 | (16.7) | 11.2 | (18.9) | 16.1 | (32.8) | 11.4 | (24.5) |
| % time >90°, mean (max) | 1.6 | (9.0) | 2.1 | (7.5) | 4.7 | (9.2) | 5.2 | (12.0) | 9.0 | (21.9) | 5.0 | (10.1) |
| % time >90° at least 5 s, mean (max) | 0.9 | (2.8) | 1.6 | (7.0) | 3.4 | (6.8) | 4.0 | (9.7) | 5.9 | (16.8) | 3.2 | (7.7) |
| % time >90° at least 10 s, mean (max) | 0.7 | (2.5) | 1.6 | (6.7) | 2.5 | (4.7) | 3.0 | (7.5) | 3.2 | (8.9) | 2.1 | (6.1) |
| % time >90° at least 20 s, mean (max) | 0.5 | (2.3) | 1.4 | (6.3) | 1.3 | (2.5) | 1.8 | (4.4) | 1.0 | (3.2) | 1.1 | (3.9) |
| Torque index, mean (max) | 4.0 | (5.9) | 7.6 | (11.5) | 7.5 | (12.4) | 4.4 | (5.9) | 4.0 | (5.7) | ||