Table 2 Physical exposure at the job level (measurements/observations in the field (m) and from videotape analysis (v))

Cycle Time (min)

• SI definition (v)

Force

• DUE force rating each job

• DUE force rating each job (Borg CR-10)

  o Peak force (m)

  o Peak force (m)

  o Typical force (m)

  o Typical force (m)

• Overall DUE expert force rating1 (v)

• Matching force

• Object/tool weight and Center mass offset (m)

  o Grip force (m)

• Pushing/pulling force (m)

  o Pinch force (m)

  o Thrust force (m)

Repetition

• HAL Rating (v)

• No. of exertions/min (SI) (v)

• No. exertions/minute at each force level2 (v)

• Speed of work (SI) (v)

%Duration of Exertion

• % Duration of exertion (SI) (v)

• Duration per exertion for each force level (s/exertion) (v)

Exposure/day (hours)

• Worker interview(m)

Hand/wrist Posture

• Posture categories3

  o Wrist flexion: <30°, 30°-50°, >50° (v)

  o Wrist extension: <30°, 30°-50°, >50° (v)

  o Ulnar deviation: <10°, 10°-25°, >25° (v)

  o Radial deviation: <5°, 5°-25° (v)

• No. of exertions in each category (v)

• % of cycle time in each category (v)

• Peak force posture categories (v)

• Hand/wrist posture each task (SI) (v)

• Overall SI posture (v)

Elbow Posture/Forearm Rotation

• Extension < 70° and > 135°

  o No. of exertions (v)

  o % cycle time (v)

• Forearm rotation

  o (Neutral, prone, supine) (v)

  o % of cycle time with forearm rotation > 45° from neutral (v)

Grip/pinch

• Type of grasp/pinch4 (v)

• Grip/pinch span (v)

• % cycle time in each type of grasp/pinch (v)

Localized Mechanical Compression

• Body part

• Category (Negligible, moderate, severe) (m)

• No. of exertions (v)

• % of cycle time (v)

Hand as hammer

• Category (Negligible, moderate, severe) (m)

• No. of exertions (v)