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An activity analysis of hand grips used in housework by female rheumatoid arthritics.

In this nonexperimental study, videofilmed, self-selected housework activities of rheumatic women were analyzed. The women gripped and manipulated objects in their homes. The activities were analyzed under the headings Activity, Actions, Objects, and Grip. The films were viewed frame by frame, and the data was computerized for statistical analysis. The women performed five self-selected housework activities and eight groups of actions (n = 340). During the actions the women handled 12 groups of objects using the eight grip classes of Sollerman's grip classification. The diagonal volar grip was the most common grip (20%), and the tripoid pinch was the least common (0.29%); 34% of the actions were right-handed, 19% left-handed, and 47% bimanual. No clear grip pattern was revealed by the activity analysis.