Full definition
Mexican standard part 1 on ergonomic risk factors in the workplace: manual material handling, repetitive movements and awkward postures. Sets weight limits (25 kg for men, 15 kg for women under ideal conditions), evaluation using NIOSH Lifting Equation or RULA/REBA methods, and control measures (mechanical aids, job rotation, workstation redesign). Published 2018; mandatory for facilities with >10 workers. Targets MSDs, the leading cause of occupational illness in Latin America.