Règles de la route

To prevent whiplash injury in a rear-end collision, your headrest should be adjusted so that:

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Bonne réponse : A. The top is at or above the top of your ears

A headrest below the top of the ears fails to catch the head in rear-end impact, allowing the neck to hyperextend — the whiplash mechanism. The top of the headrest should reach ear level or higher.

Autres questions de Règles de la route

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