The survey of hand grinding operation work-related musculoskeletal disorders

Abstract

Objective—To study the occupational ergonomics of hand grinding operation, analyze the adverse ergonomic factors in handheld pneumatic angle grinder grinding operation, study the occurrence law and preventive measures of musculoskeletal diseases, so as to improve the working environment and ensure the occupational health of workers. Methods—To investigate the WMSDs of hand grinding workers by questionnaire and analyze the data with SPSS 25.0 software. Results—The musculoskeletal diseases of the waist are more serious. There are also musculoskeletal diseases of the shoulder, neck and wrist to some extent. The elbow, hip, knee and ankle are in good condition. Conclusions—Posture load is the main risk factor of this kind of diseases.