Occupant Movement in a Rollover Crash
Posted: Wed Sep 29, 2021 2:20 pm
A video we prepared with Flying Foto Factory a decade or more ago demonstrating the concepts around how occupant injuries and roof crush relate.
Includes illustrations of:
Includes illustrations of:
- Movement of a belted front seat occupant
- During Rollover the occupant leaves the set and loads the belt
- Prior to Roof Landing the occupant contacts the roof interior
- The roof contacts the ground
- The Head Stops
- The occupant Body Continues Down Causing Nexk Injury
- Weight of Vehicle Coming Down Causes Roof Crush
- No Contact Between Seat Cushion and Occupant
- Occupant on Outside of Rollover
- Occupant has initial Head Clearance
- Seat Cushion Compresses
- As Vehicle Rolls Head Contacts Roof as Seat Cushion Unloaded
- Head and Roof Contact Ground
- Continued Body Motion Towards ground loads neck in Severe Rollover
- Belt Remains Locked and in Position
- Roof Deflection Occurs Subsequent to Neck Injury
- Gap Remains Between Seat Cushion and Occupant