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A biodynamic basis for perceived categories of action: a study of sitting and stair climbing.
Actors must determine whether the properties of the surface layout are sufficient to meet their specific requirements for performing an action. Warren's (1984) study of bipedal stair climbing has… Expand
Task, Seat Adjustability, and Postural Change
Modern ergonomic chairs provide a variety of adjustment capabilities. Chairs may afford a posture in which the operator is tilted forward, or leaning backward. Recent studies suggest that the former… Expand