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Cervical injury mechanism based on the analysis of human cervical vertebral motion and head-neck-torso kinematics during low speed rear impacts
Twelve male volunteers participated in this study. They sat on a seat mounted on a newly developed sled that simulated actual car impact acceleration. Impact speeds (4, 6 and 8 km/h), seat stiffness,… Expand
Human Head Tolerance to Sagittal Impact Reliable Estimation Deduced from Experimental Head Injury Using Subhuman Primates and Human Cadaver Skulls
In experiments to investigate the relationship between head impacts and changes in vital functions, translational and rotational acceleration impacts were performed on live monkeys using a head… Expand
Motion analysis of cervical vertebrae during whiplash loading.
STUDY DESIGN The motion of each cervical vertebra during simulated rear-end car collisions was analyzed. OBJECTIVES To clarify the mechanism of zygapophysial joint injury during whiplash loading.… Expand
A COMPARISON BETWEEN VOLUNTEER, BIORID P3 AND HYBRID III PERFORMANCE IN REAR IMPACTS
The most important tool to date for testing seat systems in rear impacts is a crash test dummy. However, investigators have noted limitations of the most commonly used dummy, the Hybrid III. Although… Expand
Prediction of Neck Injury Risk Based on the Analysis of Localized Cervical Vertebral Motion of Human Volunteers during Low-speed Rear Impacts
To clarify the mechanism that causes injury to the neck during rear-end collisions, the neck behavior of volunteer test subjects was carefully analyzed. As a result, stretch propagation was found to… Expand
RELATIONSHIP BETWEEN LOCALIZED SPINE DEFORMATION AND CERVICAL VERTEBRAL MOTIONS FOR LOW SPEED REAR IMPACTS USING HUMAN VOLUNTEERS
The aim of this study is to verify the influence of the change of the spine configuration on human cervical vertebral motion and on head/neck/torso kinematics under low speed rear-end impacts. Seven… Expand
A study on occupant kinematics behaviour and muscle activities during pre-impact braking based on volunteer tests
The objective of the current study is to analyze the influence of changes of physical motion on human body under low-level impact accelerations. Five human volunteers in good health participated in… Expand
Influences of the physical parameters on the risk to neck injuries in low impact speed rear-end collisions.
The current state of neck injuries sustained in car-to-car rear-end collisions were investigated according to recent automobile accident statistical data in Japan. To clarify the neck injury… Expand
Influence of seat characteristics on occupant motion in low-speed rear impacts.
- Y. Watanabe, H. Ichikawa, O. Kayama, K. Ono, K. Kaneoka, S. Inami
- Engineering, Medicine
- Accident; analysis and prevention
- 1 March 2000
To analyze the effect of the seat characteristics on dummy motions and human volunteer motions, sled tests simulating low-speed rear impacts were conducted with some seats which had different… Expand
Prediction of Pre-Impact Occupant Kinematic Behavior Based on the Muscle Activity During Frontal Collision
The objective of this study is to predict the behaviors of the human body in pre-crash conditions based on the experiment with active human models. In order to simulate the actual pre-crash condition… Expand