Measuring “chemistry” and its effect on team performance has proven to be an elusive concept in sports analytics. In order to shed further light on this topic, we apply advanced statistical techniques designed to capture player complementarities, or “network” relationships, between teammates on Major League Baseball teams. Using FanGraphs’ wins-above-replacement metric (fWAR) over the 1998-2016...

Background Leptospirosis is a bacterial zoonotic disease with worldwide distribution. Case presentation We describe and discuss the clinical course of a leptospirosis outbreak in a running club called the hash house harriers on Guam. Conclusions Leptospirosis is a potentialy life threatening disease, and has had a reemergence given the popularity of travel adventure sports, teams, and clubs...

Professional sports teams are investing substantial resources inmonitoring the training load (TL) in their players in an attempt to achieve favorable training outcomes such as increases in performance and a reduction in negative outcomes such as injury. This investment is likely to increase as organizations explore the most recent developments in wearable technology that allow a wide variety of...

Our objective is to find the five best college sports coaches of past century for three different sports. We decided to look at men's basketball, football, and baseball. We wanted to use an approach that could definitively determine team skill from the games played, and then use a machine-learning algorithm to calculate the correct coach skills for each team in a given year. We created a networ...

Visual has always been recognized as one of the most important sensory systems involved in the implementation of many athletic skills because of the close and necessary relationship with performing the movements, and it is considered particularly important by specialists in learning and motor control. Today, in addition to assessing the key indices in athletic performance (physical, medical, ps...

It is my pleasure to introduce the 6th edition of Sports Issue of JCCA. The last 5 years have been very successful to showcase Sports chiropractic research. You will find this issue very versatile and filled with interesting and thought provoking manuscripts. It covers hot topics such as, “Chiropractors tackling the inactivity epidemic”, “Concussions in the NHL”, “Early sports specialization” a...

BACKGROUND Previous studies have found that higher physical activity levels are associated with greater academic achievement among students. However, it remains unclear whether associations are due to the physical activity itself or sports team participation, which may involve requirements for maintaining certain grades, for example. The purpose of this study is to examine the associations betw...

In the modern era, rehabilitation after sports injury has become a domain for specialists, and its evolution has necessarily brought together the sports physiotherapist, the sports physician, and the orthopedic surgeon. The changing profile of sports related injury, as well as limited availability of facilities for rehabilitation in many areas of India, is a matter of concern. Elite sportsperso...

The December issue of the JCCA has been devoted to highlighting the significant advances being made by Sports Chiropractic in Canada. In Canada, Sports Chiropractic is regulated by the College of Chiropractic Sports Sciences (Canada), CCSS(C). Chartered as a Specialty College of the chiropractic profession in 1984, the CCSS(C) is an educational and coordinating organization that acts as the Reg...