Precision of measurements of physical workload during standardized manual handling part III: Goniometry of the wrists

  • Balogh I
  • Ohlsson K
  • Nordander C
 et al. 
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Abstract

Goniometry of the wrist is a feasible method for studying wrist movements in most hand-intensive work. The precision and accuracy of the method per se is good. For the knowledge on validity of field measurements, the size of imprecision is of importance. This study evaluated this condition during standardized circumstances. Six women performed three different hand-intensive work tasks: 'materials picking', 'light assembly', and 'heavy assembly', repeated during three different days. Variance components between-days (within subjects) and between-subjects were derived for positions (flexion/extension and deviation) and movements, including angular velocities, % of time with very low velocity (

Author-supplied keywords

  • Assembly work
  • Exposure variability
  • Inter-subjects
  • Intra-subjects

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