Table 4:
Relationship between RULA risk factors and musculoskeletal disorders
| Body area | C | D | Final score |
|---|---|---|---|
| Neck | r= 0.146 | r= 0.399 | r= 0.360 |
| P= 0.448 | P= 0.032* | P= 0.055 | |
| Shoulders | r= 0.507 | r= −0.064 | r= 0.310 |
| P= 0.005* | P= 0.741 | P= 0.102 | |
| Elbows | r= 0.275 | r= 0.132 | r= 0.177 |
| P= 0.149 | P= 0.494 | P= 0.358 | |
| Wrists/Hands | r= 0.295 | r= −0.104 | r= 0.142 |
| P= 0.120 | P= 0.590 | P= 0.463 | |
| Upper back | r= 0.028 | r= 0.272 | r= 0.239 |
| P= 0.885 | P= 0.153 | P= 0.211 | |
| Lower back | r= 0.340 | r= 0.453 | r= 0.492 |
| P= 0.071 | P= 0.014* | P= 0.007* | |
| Hip/Thigh | r= −0.053 | r= 0.274 | r= 0.142 |
| P= 0.786 | P= 0.150 | P= 0.463 | |
| Knees | r= −0.048 | r= 0.132 | r= 0.176 |
| P= 0.804 | P= 0.495 | P= 0.362 | |
| Ankles/Feet | r= 0.032 | r= 0.205 | r= 0.215 |
| P= 0.869 | P= 0.285 | P= 0.263 |
RULA= Rapid upper limb scale
C score= Score of arms, forearms and wrists postures + muscle use + force
D score= Score of neck, trunk and lower extremity postures + muscle use + force
*
Indicates a significant correlation