J. Jolly, R. Nuzzo, N. Langrana

Research output: Contribution to conferencePaper


To investigate complex clinical gait problems in children and adults, a motion analysis facility has been established. The system is based on biplanar videotaping technique. Normal gait patterns are preserved. The patients' other therapeutic activities (play, speech, etc. ) are also recorded on this same tape. The patient is recorded on standard VCR tape and reviewed on standard VCR equipment. Computerized analysis of the video is made possible by replay on a motion analyzer. The video and EMG systems can be operated with or without the computer. The anterior pelvic stick paired with diagonal camera placement eliminates the need for a third camera and increases the patient viewing area. Labeling all video fields, coordinate data, and electrical input with the time markers makes synchronization absolute. Correlating video with computer prepared results is simplified. Ongoing and future implementations will include computerized EMG analysis and in-shoe force transducers. To date 50 patients have been analyzed. Four illustrative cases are presented in which a variety of clinical pathologies are examined.

Original languageEnglish (US)
Number of pages4
StatePublished - Dec 1 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Bioengineering

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