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What may happen if the mouse is kept too far?

Answer and explanation

Correct answer: Hand and shoulder may stretch

The direct answer is D: the hand and shoulder may become strained. A mouse should normally be close enough that the elbow and shoulder stay relaxed, rather than requiring repeated reaching. If it is too far away, the arm must extend and the shoulder may remain lifted or tense. Repetition can produce discomfort and strain. Option A is wrong because extra reaching does not make work easier. Option B is wrong because the wrist does not automatically rest when the whole arm reaches forward. Option C is wrong because strain generally increases, not decreases. Option D is correct because it describes the likely ergonomic problem. The reasoning is: excessive distance → repeated reaching → awkward posture and muscle load. Exam cue: frequently used tools should be within a comfortable reach.

Related tags

Home-ScienceErgonomicsMouse

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