To investigate changes of physical performance during long working hours and extended workweeks among construction workers, 19 construction workers with 12-h workdays and extended workweeks participated. Heart Rate (HR) during each of the two separate workdays corresponded to a relative workload of 25%. Sub-maximal HR was lower, reaction time faster and handgrip strength higher in the end of each test day. No trends of decreased physical performance were found after a workday or a work period.
Changes in physical performance among construction workers during extended workweeks with 12-hour workdays
Anne Faber , Jesper Strøyer, Nis Hjortskov and Bente Schibye
International Archives of Occupational and Environmental Health, online 27 October 2009 Read More…









