Volume Seven, Issue 2
February 2005
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Lower Extremity Injuries and Associated Injury Criteria
INTRODUCTION
Lower limb injuries resulting from vehicle crashes
are the second most common site of AIS 2+ injuries
(Thomas, 1995) and have been reported to be a
frequent cause of permanent disability and
impairment (Burgess et al., 1995). Consequently, it
is important to be able to detect and quantify the risk
of these injuries from vehicle impact tests.
Stucki et al. ( 1998) examined the NASS database for the years 1988-96 for the distribution of lower extremity injuries among front seat occupants in air bag equipped vehicles involved in frontal crashes. Stucki noted that the risk of AIS 2+ lower limb injuries was almost two times greater than the risk of head/face, thorax, or arm injuries. Stucki conducted an examination of the proportion of leg injuries in different crash modes and found foot and ankle fractures to be the most prominent injured lower limb region. However, common ankle injuries such as malleolar fractures were coded as tibia and fibula injuries in his analysis. The analysis also did not examine the long term consequences of these injuries" Therefore, a new analysis of the NASS data files was initiated to better understand lower extremity injuries in real world crashes and the long term consequences associated with these injuries.
Following the analysis of real world crash data, injury criteria and injury risk curves for lower limb injuries were developed using published biomechanical test data. The first part of this paper presents the analysis of real world crash data and the second part presents the development of relevant lower extremity injury criteria and injury limits for various adult sizes.
INSIDE THIS ISSUE
- An Overview of Knee-Thigh-Hip Injuries in Frontal Crashes in the United States
- Lower Extremity Injuries and Associated Injury Criteria
- Case Study: Neck Injuries in Automobile Collisions
- Case Study: Knee Injury Analysis in Heavy Truck v. Automobile Collision
- Case Study: Pedestrian Accident Analysis
- Effects of Head Restraint Position on Neck Injury in Rear Impact
- ARC-CSI Crash Conference 2005
- $200 rebate on the Crash Data Retrieval System Kit
- ARC Network New Members
- Accident Reconstruction Education and Training Events - New events added every month.
- In The News
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