Fig. 6

The median generalised angular velocity of the upper arm during work for the 28 subjects for day 1 (), day 2 (
) and day 3 (
). The dashed line is the suggested action level for ergonomic workload
The median generalised angular velocity of the upper arm during work for the 28 subjects for day 1 (), day 2 (
) and day 3 (
). The dashed line is the suggested action level for ergonomic workload