The Repetition Component

Individual Risk Factors	Ranges	Individual Factor Scores
Repetitive Wrist Movement Duration	Range 2-5 hours/day 5-8 hours/day More than 8 hours/day
Repetitive Wrist Movement intensity	Range Cycle time 20-30s Cycle time 10-20s Cycle time less than 10s
Sustained Position of Wrist Duration	Range Less than 65% of working time 65-85% of working time More than 85% of working time
Repetitive Finger Movement Duration	Range 2-5 hours/day 5-8 hours/day More than 8 hours/day
Sustained Position of Finger Duration	Range Less than 65% of working time 65-85% of working time More than 85% of working time

∑scores

The Force Exertion Component

Individual Risk Factors	Ranges	Individual Factor Scores
Intensity of Forceful Exertion by One Hand	Range Less than 1kg 1-4 kg More than 4kg
Duration of Forceful Exertion by Hand	Range 20-40% of the working time 40-60% of the working time More than 60% of the working time

∑scores

The Finger Posture Component

Individual Risk Factors	Ranges	Individual Factor Scores
Finger Flexion Duration	Range 2-5 hours/day 5-8 hours/day More than 8 hours/day
Finger Extension Duration	Range 2-5 hours/day 5-8 hours/day More than 8 hours/day

∑scores

The Vibration on Hand Component

Individual Risk Factors	Ranges	Individual Factor Scores
Vibration on Hand Duration	Range Less than 1 hour/day 1-6 hour/day More than 6 hours/day
Vibration of the Instrument Intensity	Range Less than 10m/s2 10-15m/s2 More than 15m/s2

∑scores

The Wrist Flexion Component

Individual Risk Factors	Ranges	Individual Factor Scores
Wrist Flexion Duration	Range 2-5 hours/day 5-8 hours/day More than 8 hours/day

∑scores