answer the qustion

Explain how work activities cause upper limb problems or only disclose existing conditions using four levels of “causality” ?

2. What factors contribute to ergonomic exposures to musculoskeletal stress?

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Upper Limb Problems

Work activities have the potential to cause upper limb problems based on the type of exposure and work activity involved. For instance, repetitive movement involving a heavy load could result in stress on the shoulder, particularly in cases where the load is usedsignificantly away from the body.

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