| 0 | 1 | 2 | |
| Mild | Moderate | Severe | |
| Lateral lumbar flexion (cm) | >10 cm | 5–10 cm | <5 cm |
| Tragus to wall distance (cm) | <15 cm | 15–30 cm | >30 cm |
| Lumbar flexion (modified Schober) (cm) | >4 cm | 2–4 cm | <2 cm |
| Maximal intermalleolar distance (cm) | >100 cm | 70–100 cm | <70 cm |
| Cervical rotation (°) | >70° | 20–70° | <20° |
The sum of the five assessments gives the BASMI 3 result.Reproduced with permission from J Rheumatol.