This study compared the effectiveness of the single-leg Roman chair hold exercise with the Nordic hamstring curl exercise in athletes with previous hamstring injuries.

There is a sound theoretical rationale supporting a potential role for muscle damages in the hypertrophic response, but a cause-effect relationship directly linking these gains to muscle damage is yet to be established. If such a relationship does in fact exist, it is not clear as to what extent of damage is optimal for inducing maximum muscle growth.

The second in a planned series to review essential considerations of each Functional Movement Screen (FMS) pattern, this article will examine the FMS hurdle step pattern in finer detail.

This excerpt from Developing Speed describes an agility drill that aims to develop change of direction.

Osteoporosis and low bone mineral density (BMD) are conditions that affect millions of people, and the amount of people afflicted is on the rise. To potentially reverse this trend, personal trainers can provide group sessions of high-intensity progressive resistance training to increase BMD and prevent osteoporosis.

Matt Frakes, Director of Sports Nutrition at Notre Dame Athletics, and Bryan Doo, former Head Strength and Conditioning Coach of the Boston Celtics National Basketball Association (NBA) team and owner of Optimal Fitness, join as guests with the NSCA Coaching and Sport Science Program Manager, Eric McMahon. Also returning is guest co-host Jon Jost, a 27-year veteran college strength and conditioning coach and the Team Sports Manager for Gatorade. This Gatorade Performance Partner Special Episode highlights the value of being an inclusive leader; the current level of support for diversity, equity, and inclusion (DEI) initiatives across the performance community; and how to foster inclusivity within your programs. Find Matt on Twitter: @SuperiorFrakes or Instagram: @superiorfrakes | Find Bryan on Twitter: @bdoo22 or Instagram: @bdoostrength | Find Jon via email: jonathan.jost@pepsico.com | Find Jon on Twitter/Instagram/Facebook: | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article discusses the limitations and risks involved with artificial intelligence, such as ChatGPT, as a tool for personal trainers.

This research review covers topics such as the effects of police officer equipment loads, military occupational specialties, and the effects of protective clothing and self-contained breathing apparatus for firefighters.

This article briefly explains the two principles necessary for muscle growth.

Nick Winkelman