Which of the following is not typically considered a personal risk factor for ergonomic hazards?

• A. Hair Color
• B. Body Size
• C. Medical Condition
• D. Physical Condition

Answer: (A)

Ergonomic risk factors tied to the person come from elements that affect how they perform tasks and how their body tolerates work. Body size influences whether a workstation, tools, and reach geometry fit the user, which affects posture and the amount of awkward reaching or bending required. Medical conditions can limit movement or cause pain during tasks, increasing the likelihood of risky postures or compensatory motions. Physical condition, including fatigue, strength, and endurance, changes how long a worker can sustain safe postures and forceful exertions without risk. Hair color does not influence biomechanics, strength, endurance, or susceptibility to musculoskeletal strain, so it is not considered a personal risk factor in ergonomic hazard assessments.