Which of the following would be a direct implication of repetitive motions exposure?

• A. The total duration of tasks
• B. The frequency of repetition during tasks
• C. The type of PPE used
• D. The noise level outside

Answer: (B)

Repetitive motions exposure is all about how often the same motions are performed during work. If a task requires repeating a motion many times, that directly increases the repetition rate or frequency of repetition. That frequency is a primary driver of repetitive-motion risks, such as musculoskeletal disorders, because more cycles mean more cumulative stress on the same tissues.

The total duration of tasks can vary independently of how often the motion is repeated within them, so it doesn’t directly capture the repetition rate. PPE type depends on the hazard present (cuts, chemical exposure, heat, etc.), not on how often a motion is repeated. Noise level outside is unrelated to how frequently motions are repeated and reflects environmental sound, not repetitive exposure.