| Musculoskeletal disorders | n | % |
| Shoulder difficulty | 251 | 68.2 |
| Elbow difficulty | 84 | 22.8 |
| Cramp (hands or arms) | 25 | 6.8 |
| Difficulty walking | 3 | 0.8 |
| Pain while sitting | 3 | 0.8 |
| Pain when standing | 1 | 0.3 |
| Pain on kneeling | 1 | 0.3 |
| Total | 368 | 100.0 |