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Table 4 Physical exposure at the sub-task level from videotape analysis (Example Assembly of transformers)

From: The WISTAH hand study: A prospective cohort study of distal upper extremity musculoskeletal disorders

Task Description Force (Borg CR-10)1 Number of exertions/min (SI)2 Hand/wrist Posture (SI)2 Duration/exertion (seconds) Speed (SI)2
Cutting wire 7 2 Bad 2 Fair
Wrapping Wire 4 3 Fair 1.5 Fair
Driving screws 2 5 Fair 3.0 Fair
  1. 1Borg CR-10 scale, 2Strain Index definition.