headrest

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headrest

(hed'rest)
1. A pad made of soft material placed beneath the occiput, around the neck or lower face or both, designed to limit head movement during surgery or to prevent neck pain in cervical arthritis.
2. A padded device used in cars, airplanes, or boats to prevent neck trauma during accidents.
3. A padded device used in some types of wheelchairs to support the head and neck of patients with flaccid muscles or other neurological conditions. See: assistive technology
References in periodicals archive ?
Replacing steel with plastic as the primary load-bearing component is new to front-row head restraints. The part design eliminates manufacturing complexity.
The final survey questionnaire contained 26 questions on the following topics: fleet vehicle and organization characteristics (7 questions); vehicle safety knowledge (2 questions); head restraint awareness knowledge (8 questions); opinion questions (3 questions); and behavioural questions on safety and head restraint adjustment practices (6 questions).
Furthermore, only 6% of people adjust the head restraint regularly, despite the fact they may travel in different vehicles.
According to the charity's survey many drivers thought, incorrectly, that the top of a head restraint should be level with the neck or ears.
For wheelchair user rear-impact protection, Schneider [18] and Seeger and Caudry [19] recognized the obvious analogy with conventional motor vehicle seats more than 25 years ago and recommended a head restraint to prevent whiplash during transit.
The protocol looks at the seat's geometry, the size and shape of the head restraint and its proximity to the occupant, and its dynamic performance in crashes at three speeds.
"Good seat design is not something that should be inherently linked to higher value cars and this latest set of results will hopefully act as a catalyst for vehicle manufacturers to look at improving seat and head restraints design within this important and growing sector.
Removable headrest for close proximity access for anesthesia, Industry unique articulating head restraint moves with the patients' head, as chair is raised/lowered alleviating neck injuries.
Saab, General Motors, and Nissan have equipped some of their newer models with active head restraints. As an occupant's torso sinks back into the seat during a rear-end crash, a mechanism in the seat back pushes the head restraint up and toward the back of the head.
Statements regarding how far a vehicle was knocked forward, whether the occupant's head contacted the head restraint, or whether the driver's hands came off the steering wheel can all be potentially useful pieces of information in quantifying the severity of a low-speed impact.
The carmaker said it also plans by fiscal 2004 to install the seats in all passenger and recreational vehicles with an ''Active Head Restraint'' as standard equipment.