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Related Experiment Videos

Grip strength testing using the BTE work simulator and the Jamar dynamometer: a comparative study. Baltimore

D E Beaton1, S W O'Driscoll, R R Richards

  • 1Upper Extremity Reconstructive Service, St Michael's Hospital, Toronto, Ontario, Canada.

The Journal of Hand Surgery
|March 1, 1995
PubMed
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Grip strength testing using the BTE Work Simulator is comparable to the Jamar dynamometer at 90 degrees elbow flexion. This validates the BTE Work Simulator for accurate grip strength assessments.

Area of Science:

  • Rehabilitation Medicine
  • Biomechanics
  • Occupational Therapy

Background:

  • Accurate grip strength measurement is crucial for assessing various patient populations.
  • Traditional dynamometers like the Jamar have established protocols.
  • Newer devices like the BTE Work Simulator offer potential advantages in grip strength testing.

Purpose of the Study:

  • To compare grip strength measurements obtained from the Jamar dynamometer and the BTE Work Simulator.
  • To determine the comparability and reliability of the BTE Work Simulator against a standard device.

Main Methods:

  • Grip strength was assessed in 14 adults using three conditions: Jamar dynamometer at 90 degrees elbow flexion, Jamar dynamometer at 45 degrees elbow flexion, and BTE Work Simulator in its recommended position.

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  • Statistical analysis was performed to compare the measurements and assess reliability.

    • Main Results:

    • Grip strength measurements were significantly greater with the elbow at 90 degrees compared to 45 degrees using the Jamar dynamometer.
    • No significant difference was found between Jamar measurements at 90 degrees elbow flexion and the BTE Work Simulator values.
    • Excellent intraclass correlation coefficients were observed between the Jamar at 90 degrees and the BTE Work Simulator.

    Conclusions:

    • The BTE Work Simulator provides comparable grip strength measurements to the Jamar dynamometer at 90 degrees elbow flexion.
    • These findings support the validity and reliability of using the BTE Work Simulator for grip strength testing in clinical and research settings.