December 10, 2004
Seatbelts and airbags are designed to protect people in case they get in a
car accident. Headrests also reduce the risk of neck injuries in
accidents. The US National Highway
Traffic Safety Administration (NHTSA) has determined that headrests
can be better. The NHTSA has issued a new
safety regulation that will require headrests to be closer and higher
to the head. This new regulation will be mandatory for all vehicles
manufactured on or after September 1, 2008.
Higher headrests should reduce the number of
whiplash injuries. Whiplash is an injury to the soft tissues
(muscles, tendons, ligaments) of the head, neck and spine. These injuries
may cause neck, shoulder and back pain, stiffness, headaches, sensory
disturbances and dizziness. Damage to the vertebrae and nerves around the spinal cord may also
occur. This type of injury occurs when the neck moves beyond its normal
range. Whiplash is common when a car is struck from behind and the neck
is rapidly flexed and extended.
The NHTSA estimates that:
- There are approximately 272,464 whiplash injuries each year. Of these
injuries, 251,035 are to people in front seats, 21,429 are to people in
back seats.
- The new rule will prevent approximately 16,831 whiplash injuries.
- It will cost $4.51 for front seats and $1.13 for back seats to meet
the new regulation. (However, the new regulation does not require higher
headrests in back seats.)
- The final rule will result in economic benefits in excess of $100
million.
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