ABSTRACT
Occhipinti and Colombini (1996) developed the occupational repetitive action (OCRA) methods to analyze workers’ exposure to tasks featuring various upper-limb injury risk factors (repetitiveness, force, awkward postures and movements, lack of recovery periods, and others, defined as “additionals”). The OCRA methods are largely based on a consensus document of the International Ergonomics Association (IEA) technical committee on musculoskeletal disorders (Colombini et al., 2001), and they generate synthetic indicators that also consider worker rotation among different tasks.
