.
1 neck the occupant protection system
Head and Neck occupant protection system (WHIPS):
WHIPS generally disposed in the front seat. When the car is hit rear, head and neck protection system rapidly inflating up, the entire back will tilt along with the occupant, the whole back of the occupant and the backrest to secure close together, it will tilt back to the maximum after reducing the strength of the head thrown forward, the seat back and a headrest of the seat moves rearward horizontally, the upper body and head gently obtained, supported and balanced protection, of the neck and spine to relieve the shock received force, and to prevent damage caused by head thrown back.
head and neck injured in traffic accidents are the most common injuries. In Sweden alone, there are 2.5 million people each year suffer this type of injury. The proportion of permanent injury to the head and neck injuries accounted for about one-tenth of the total number of staff, but this type of injury is often difficult to diagnose.