Musculoskeletal (MSK) disorders reported
| Total | Acute No | Chronic No | |||
|---|---|---|---|---|---|
| No | Incidence* | 95% CI | |||
| *Rates per 100 person-years of exposure. | |||||
| Spine disorders | 230 | 13.6 | 12.0 to 15.3 | 173 | 57 |
| Neck pain | 46 | 3.1 | 2.3 to 4.0 | 30 | 16 |
| Back pain | 135 | 8.5 | 7.2 to 9.9 | 106 | 29 |
| Disk herniations | 51 | 3.4 | 2.5 to 4.4 | 37 | 14 |
| Osteoporosis (stress fractures) | 5 | 0.3 | 0.1 to 0.6 | 4 | 1 |
| Spine diffuse | 12 | 0.8 | 0.4 to 1.3 | 12 | 0 |
| Joints disorders | 63 | 4.2 | 3.2 to 5.3 | 58 | 5 |
| Osteoarthritis | 40 | 2.7 | 1.9 to 3.6 | 38 | 2 |
| Microcrystalline arthritis | 7 | 0.5 | 0.2 to 0.9 | 6 | 1 |
| Arthritis | 20 | 1.4 | 0.9 to 2.1 | 18 | 2 |
| Extra-articular disorders | 70 | 4.6 | 3.6 to 5.7 | 44 | 26 |
| Tendonitis | 67 | 4.4 | 3.4 to 5.5 | 44 | 23 |
| Capsulitis | 2 | 0.1 | 0.0 to 0.3 | 0 | 2 |
| Carpal tunnel syndrome | 2 | 0.1 | 0.0 to 0.3 | 0 | 2 |