The front airbags are designed to supplement the seat belts to help reduce the likelihood of head and upper body injuries in frontal crashes. (netcarshow.com)
Similar real - world crashes, however, often result in serious upper body injuries. (iihs.org)
Whilst this technique is possible with lower body, use it cautiously as the injury risk and fatigue generated can be a lot more substantial than with the upper body (rugbystrengthcoach.com)