en KICK FORCE ASSESSMENT OF DETAINEES INSIDE A POLICE PATROL VEHICLE RESTRAINT A POLICE PATROL VEHICLE RESTRAINT CAGE
Keywords:
police cruiser, prisoner transport system, manufacturing, muscle power, security screensAbstract
Background: Detainees under the influence of drugs or psychotic episodes are likely to kick inside a restraint cage of a police patrol vehicle, causing damage. These vehicles, however, are essential to public safety and must be kept operable. Consequently, the components of the prisoner transport compartments need to be suitable for the
impacts to which they may be subjected. The aim of this study was to compare the peak force of double leg kicks (bipedal kicks), single leg-kick (unipedal kicks) and isometric compression of double leg (isometric kick) of people locked inside a vehicle restraint cage. Methods: A total of 15 male Military Self Defense specialists were confined inside the vehicle and performed (dynamics) bipedal and unipedal kicks and isometric kicks on a force platform attached to the rail of a restraint cage. Results: A one-way ANOVA revealed that the peak isometric and dynamic bipedal kicks in the restraint cage were similar and greater than the peak of unipedal kicks (2324 ± 438 N vs 2149 ± 345 N vs 1638 ± 219 N, respectively). To prevent deformation or rupture of the restraint cabin, this study suggests materials and components with a resistance of 3614 N (average + 3 deviations from our sample). This would contribute to having fewer vehicles out of service for maintenance.
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