Task exposure matrix for postures and movements of the head and right upper arm for each sex.

Data are displayed for the 7 tasks that constitute the work. Additionally, data are shown for total work and pause. For flexion/extension, positive angles denote flexion and negative angles extension. [SD = standard deviation].aThe measures of variation were calculated from the 5th–95th interpercentile range for each minute.Task exposure matrix for postures and movements of the head and right upper arm for each sex.