The moral of the story is in the title: even a small accident can cause major pains. Whiplash is a common term known to most drivers, but few people actually realize what it actually is. A low speed impact may not cause any damage to vehicles involved because the cars are designed to absorb much of the energy. A human body is not built to absorb energy. A whiplash Personal Injury occurs when the force of a collision causes the neck to flex forward and hyperextend in the opposite direction quickly.