抄録
This research experimented on the maximum thorax injury at the fall of the wheelchair to the purpose. When the side falls, maximum AIS is 2.When the back falls, maximum AIS is 1 or less. It the back side falls because the cause that AIS decreases from the side fall decoupled the hand grip part of the wheelchair at the fall. It is necessary to set up the decoupled material like the cushioning material etc. from the above-mentioned result to the side of the wheelchair. It is necessary to set up the decoupled material like the cushioning material etc. from the above-mentioned result on the side of the wheelchair for safety.
