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An anthropometric data collection effort has yielded electromechanical data of three-dimensional landmark coordinates for approximately 300 wheeled mobility device users and their wheelchairs. The development and modeling of static digital models from individual landmark coordinate datasets is described. These models provide a faithful representation of the static postural and spatial characteristics of the individual-mobility device (IMD) system. This paper highlights a few key issues in the development of the static digital models for the wheeled mobility device user group.

Three-dimensional landmark delimitations (3DLD) for wheeled mobility users are outlined. A subset of 3DLD definitions is given. Each 3DLD includes a rationale for inclusion in data collection and suggested capturing techniques for the digital human modeling of wheeled mobility users. Structural and functional protocols have been developed for these 3DLD and serve as the basis for a large-scale anthropometric study of wheeled mobility users. This paper focuses on a few key issues in the development of the wheeled mobility user anthropometric protocols such as measurement consistency and rationale for landmarks for use in universal design. The benefits to this approach with comparisons to existing approaches will be discussed.