OBJECTIVE This study assessed the association between worker characteristics, workplace factors, and work-related musculoskeletal disorders (WMSDs) in Nigeria's construction industry. METHODS A cross-sectional site-by-site survey was conducted in 5 existing construction companies in Uyo, Nigeria. The subjects (n = 1200 males), aged 18-55 years, filled in the semistructured Nordic musculoskele...

A series of three field experiments were conducted to evaluate the level of autonomous mobility for the Army’s Experimental Unmanned ground Vehicle (XUV), during which an assessment of operator mental workload was performed. Workload data collection methods employed were the “NASA Task Load Index”, the “Overall Workload” scale, and experimenter observation during partially autonomous operations...

During skill execution, performers have been shown to attend to different aspects of movement, the external effects of one’s action, or to other environmental information. A variety of psychological mechanisms have been proposed to account for the differential outcomes when adopting each attentional strategy. However, there is limited information about the extent to which different attentional ...