Determination of angles of awkward wrist postures for wrist and grasp force

Myung Chul Jung, M. Susan Hallbeck

Research output: Contribution to conferencePaper

Abstract

The change of wrist force with simultaneous grasp force at every two degrees of wrist angle under isokinetic wrist movements at low speeds was verified. A specially designed isokinetic wrist dynamometer was used to test each subject in a random order. The results by the Tukey tests showed that the wrist angle from 58 degrees of flexion to 22 degrees of extension was in the same group that included the maximum grasp force that was 285.45N at 24 degrees of flexion. The study revealed that the most postural analysis categorized wrist positions into three levels as 0, 15 or 16 and 45 degrees to decide the severity of awkward wrist postures.

Original languageEnglish (US)
Number of pages1
StatePublished - Dec 1 2000
EventProceedings of the XIVth Triennial Congress of the International Ergonomics Association and 44th Annual Meeting of the Human Factors and Ergonomics Association, 'Ergonomics for the New Millennnium' - San Diego, CA, United States
Duration: Jul 29 2000Aug 4 2000

Other

OtherProceedings of the XIVth Triennial Congress of the International Ergonomics Association and 44th Annual Meeting of the Human Factors and Ergonomics Association, 'Ergonomics for the New Millennnium'
CountryUnited States
CitySan Diego, CA
Period7/29/008/4/00

ASJC Scopus subject areas

  • Human Factors and Ergonomics

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    Jung, M. C., & Hallbeck, M. S. (2000). Determination of angles of awkward wrist postures for wrist and grasp force. Paper presented at Proceedings of the XIVth Triennial Congress of the International Ergonomics Association and 44th Annual Meeting of the Human Factors and Ergonomics Association, 'Ergonomics for the New Millennnium', San Diego, CA, United States.