Optoelectric (Selspot) gait measurement in two- and three-dimensional space--a preliminary report.

  • 1 January 1980
    • journal article
    • p. 46-52
Abstract
Traditional studies of human movement by photographic methods require tedious, error-prone, and expensive data reduction. Various optoelectronic methods have been designed. A commercially available system, SELSPOT, purchased for the Cleveland VAMC Motion Study Laboratory, is described. Sequentially pulsed light-emitting-diode targets on the subject are observed, with data fed into a computer for combination with force plate data (Cohen, Orin, and Marsolais, Technical Note, BPR 10-33). Calibration methods, errors, and practical difficulties are described. Though problems remain after revisions (see progress reports in BPR), it is believed that SELSPOT offers potential for clinically useful real-time acquisition and analysis of three-dimensional data.

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