Additional file 2.Table S2 - Duration of body segments' positions. Duration of the time periods the surgeons remained uninterruptedly in various posture categories of the head, trunk and right arm; average and range (in brackets) of the mean durations for the single operations (direct endoscopy: n = 10, monitor endoscopy: n = 9). Format: PDF Size: 65KB Download file This file can be viewed with: Adobe Acrobat Reader Luttmann et al. Journal of Occupational Medicine and Toxicology 2009 4:26 doi:10.1186/1745-6673-4-26 |