Cycle Time (seconds)
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SI definition (v)
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Force
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Analyst DUE force rating (Borg CR-10) (1) Peak force (m), (2) Typical force (m), (3) Overall force (m), analyst judgment (Moore and Garg, 1995) (4) Overall force using an algorithm (Garg and Kapellusch)
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Worker DUE force rating (Borg CR-10) (5) Peak force (m), (6) Typical force (m)
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Matching force) (7) Grip force (m), (8) Pinch force (m), (9) Thrust force
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Measurement of weights and forces (10) Object/tool weight and Center mass offset (m), (11) Pushing/pulling force (m)
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Repetition
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(1) HAL Rating (v) (Latko 1997)
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(2) No. of exertions/min (SI) (v) (Moore and Garg 1995)
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Duration of Exertion
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(1) % duration of exertion (v) (Moore and Garg, 1995)
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(2) Total duration of exertion (seconds/min) (v)
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Exposure/day (hours)
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Supervisor/worker (m)
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Hand/wrist Posture
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Posture categories (v)
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(1) Wrist flexion: <30, 30-50, >50
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(2) Wrist extension: <30, 30-50, >50
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(3) Ulnar deviation: <10, 10-25, >25
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(4) Radial deviation: <5, 5-25
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(5) No. of exertions in each category
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(6) % of cycle time in each category
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(7) Peak force posture categories
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(8) Overall SI posture (Moore and Garg, 1995)
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Elbow Posture
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(1) Extension (v) (a) < 70 and (b) > 135
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(2) No. of exertions (v)
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(3) % cycle time (v)
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(4) Forearm position (v): (Neutral, prone, supine)
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Speed of work
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Using the Strain Index method (Moore and Garg, 1995).
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Forearm Rotation
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% of cycle time with forearm rotation (v) > 45
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Grip/pinch
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(1) Type of grasp (v): (a) power, (b) oblique, (c) palmer grip, (d) hook grip
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(2) Type of pinch (v): (a) palmer pinch, (b) -point, 2-point, (c) lateral, (d) 2-finger scissor;
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(3) Grip/pinch span (v)
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(4) % cycle time in each type of grasp/pinch (v)
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Localized Mechanical Compression
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(1) Body part (v)
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(2) Category (v): (a) Negligible, (b) moderate, (c) severe)
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(3)No. of exertions/min.(v)
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(4)% of cycle time(s) (v)
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Hand as hammer
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(1) Category (v): (a) Negligible, (b) moderate, (c) severe)
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(2) No. of exertions/min.(v)
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Tool kicks
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(1) Category (v): (a) Negligible, (b) moderate, (c) severe)
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(2) No. of exertions/min.(v)
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Gloves
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(1) Type (m)
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(2) Fit (m)
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Exposure to hand/arm vibration
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% of cycle time spent in (a) negligible, (b) visible and (c) severe hand/arm vibration
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