Table 1

 Description of physical work exposures (SALTSA protocol)

Occupational risk factors for multiple disorders of the shoulder, elbow, arm, wrist, hand
Repetitive movements (same action >2 times per minute ⩾4 hours/day)No (level 0)
Yes, with an hourly 10 minute break (level 1)
Yes, without an hourly 10 minute break (level 2)
Forceful movements (manipulating loads of >4 kg)Never (level 0); <2 hours/day (level 1); ⩾2 hours/day (level 2)
Occupational risk factors for disorders of the shoulder
Holding one or both arms above the shouldersNever; <2 hours/day; ⩾2 hours/day
Reaching behind the trunk with one or both handsNever; <2 hours/day; ⩾2 hours/day
Holding one or both arms away from the bodyNever; <2 hours/day; ⩾2 hours/day
Occupational risk factors for disorders of the wrist or hand
Exposure to vibrations<2 hours/day; ⩾2 hours/day
Wrist flexion<2 hours/day, ⩾2 hours/day