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Leg Power As an Indicator of Risk of Injury or Illness in Police Recruits

1,*,†, 1,†, 2,†, 3,† and 3,†
Tactical Research Unit, Bond University, Gold Coast, QLD 4226, Australia
Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD 4226, Australia
New South Wales Police Department, Sydney, NSW 2010, Australia
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Andrew Watterson
Int. J. Environ. Res. Public Health 2016, 13(2), 237;
Received: 7 December 2015 / Revised: 22 January 2016 / Accepted: 10 February 2016 / Published: 19 February 2016
(This article belongs to the Special Issue Occupational Safety and Related Impacts on Health and the Environment)
PDF [270 KB, uploaded 19 February 2016]


Tactical trainees, like those entering the police force, are required to undergo vigorous training as part of their occupational preparation. This training has the potential to cause injuries. In addition, the physical training, communal living and pressures of tactical training are known to induce immune suppression and have the potential to increase the risk of illness. The aim of this study was to investigate the relationship between leg power, as measured by a vertical jump (VJ), and rates of reported injuries and illnesses during police recruit training. Retrospective data from recruits (n = 1021) undergoing basic police recruit training at an Australian Police Force College was collected. Recruits completed a VJ assessment at the commencement of their second state of training. Formally reported illness and injuries were collected 12 weeks later, following completion of training. Correlations between VJ height and rates of reported illness and injury were low (r = −0.16 and −0.09, respectively) but significant (p < 0.005), with VJ height accounting for 2.6% and 0.8% of the variance in illness and injury rates, respectively. In terms of relative risks, recruits with the lowest recorded VJ heights were more than three times as likely as those with highest VJ heights to suffer injury and/or illness. Police recruits with lower VJ height are at a significantly greater risk of suffering an injury or illness during police basic recruit training. View Full-Text
Keywords: tactical; law enforcement; vertical jump; injury prevention; fitness assessment tactical; law enforcement; vertical jump; injury prevention; fitness assessment
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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MDPI and ACS Style

Orr, R.; Pope, R.; Peterson, S.; Hinton, B.; Stierli, M. Leg Power As an Indicator of Risk of Injury or Illness in Police Recruits. Int. J. Environ. Res. Public Health 2016, 13, 237.

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