Which assembly tasks are traditionally more prone to repetitive stress injuries?

Any task involving highly repetitive movements, especially with the hands or limbs in a deviated posture, and tasks involving the frequent application of high force, such as repetitive lifting or repetitive gripping. Don't forget about visual issues as well; we do have an aging workforce and eyestrain is a growing problem that affects the quality of assembly and inspection work. Who's typically at more risk: assemblers who stand or assemblers who sit?

Standing requires about 20 percent more energy than sitting, so folks who stand all day will experience greater fatigue. Prolonged standing can produce circulatory problems in the legs and feet, especially standing on hard floor surfaces. Whether or not sitting is hazardous depends on how you sit.

If you hunch forward it's bad; if you can relax against a slightly reclined chair back it's good, providing you have a good quality chair. The choice of posture depends on other task factors. If you have to do a lot of lifting then standing ... more.

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