Table 1. Criteria, parameters and Beighton et al.3 scores for defining joint hypermobility.
Joint | variable | definition of hypermobility | score |
---|---|---|---|
1. Metacarpophalangeal joints of the fifth fìnger | passive dorsiflexion of the fifth metacarpophalangeal joint | angle > 90° | 2 |
2. Wrists | apposition to the flexor aspect of the ipsilateral forearm | touch flexed thumb to forearm | 2 |
3. Elbows | hyperextension of the elbow | angle > 10° | 2 |
4. Knees | hyperextension of the knee | angle > 10° | 2 |
5. Spine | active anterior flexion of the trunk with passive extension of knees | place palms of hands flat on the floor | 1 |