1 9%) and 458 women (30%) had OA in at least 1 hand joint.

2                   The proportion of multiple hand joints affected by OA in Chinese men was also signi

3 s, we recorded the isometric forces acting a hand joint and the electromyographic activity in the fir

4  We calculated the prevalence of OA for each hand joint and, according to the status of chopsticks us

5 association between incident OA at different hand joints and maximal grip strength.

6 vity is a major determinant of forces at the hand joints, and grip is a common task during which high

7                                 We defined a hand joint as having radiographic OA if it had a Kellgre

8  and had no prevalent radiographic OA in any hand joint at baseline.

9 recorded if there were OA findings in 2 of 3 hand joint groups plus 1 or both knees.

10                                         Four hand joint groups were studied: distal interphalangeal (

11 graphic or symptomatic hand OA if at least 1 hand joint had radiographic or symptomatic OA.

12  radiographic OA if at least 1 of his or her hand joints had radiographic OA (K/L score of > or =2).

13                               The pattern of hand joint involvement (characterized by clustering prim

14 es are sustained, especially at the proximal hand joints (metacarpophalangeal [MCP] joints and thumb

15 evidence of polyarticular involvement in the hand joints of both the men and the women.

16 cupational hand use were more likely to have hand joint pain than those with moderate hand use (66% v

17      Clinically normal joints adjacent to OA hand joints showed thickening and enhancement of CLs whi

18 h in isolation and in combination with other hand joint sites, but had comparable frequencies of radi

19 ble frequencies of radiographic OA for other hand joint sites.

20                                              Hand joint space width was measured using an automated,

21                                            A hand joint was defined as having symptomatic osteoarthri

22 nterrelationship of involvement of different hand joints was analyzed by logistic regression and clus