Ultrasound scoring of the dorsal RC and MC synovial recesses in 116 healthy children (59 women) aged 6–16 years
| Score 0 (not visible) | Score 1 (visible, not bulging) | Score 2 (visible, bulging) | Total | |
| RC recess | 45 (38.8%) | 60 (51.7%) | 11 (9.5%) | 116 |
| MC recess | 62 (53.5%) | 34 (29.3%) | 20 (17.2%) | 116 |
MC, midcarpal; RC, radiocarpal.