This article synthesizes the peer-reviewed literature about injury prevalence in Brazilian Jiu-Jitsu (BJJ) and strategies to mitigate injuries. It is critical to implement injury prevention initiatives necessary to reduce injury rates among BJJ students since injuries are barriers to continued training and learning.

This work is on police occupational stress. It is written from a veteran police officer's perspective and includes a literature review of scholarly articles and analysis of web sources. The author offers factors that contribute to police stress and strategies that might mitigate the occupational stress officers experience.

This essay is written from a career police officer’s perspective and includes a literature review of police trade journals and scholarly articles related to police reports and written communication. The work also explores Yrjö Engestrom’s (1987) activity systems theory and shows how this theory is associated with the practice and modeling of police reports.