In this article, Mike Nelson addresses two stubborn myths associated with increased protein intake and negative effects: kidney issues and bone loss.

This article discusses the importance of upper body power training for protective security personnel and its potential for an occupational performance marker.

With the current rise in overweight individuals, obesity, prediabetes, and diabetes, the role of qualified personal trainers is absolutely crucial for creating a more active and healthy society.

This Personal Training Quarterly article reviews the farmer’s walk exercise and how to incorporate it safely into a client’s exercise program. Visit NSCA online to read more on fitness news and exercise research.

The purpose of this article is to strongly suggest and offer a pragmatic and stepwise approach that takes into account the ideas and concepts of shared decision making that allows for the “best practices,” pre-participation screenings, evaluations, and stratification flow charts for safe and effective return to play for athletes.

This article aims to describe the development of the sport scientist role and clarify the common qualifications and responsibilities therein.

Mary Kate Feit, Assistant Professor and Associate Director of Strength and Conditioning at Springfield College, and Adam Feit, Coordinator of Physical and Mental Performance at Springfield College and Assistant Director of Performance Nutrition at Precision Nutrition, talk to the NSCA Coaching Program Manager, Eric McMahon, about being a married couple in the world of strength and conditioning. Topics under discussion include the unique positions they hold at Springfield College, how becoming parents has changed their perspective on coaching, and why diversity is so important for the future of the field. Connect with Mary Kate via email: mfeit@springfield.edu | Find Adam on Twitter: @Adam_Feit or Instagram @aefeit | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

This article explains Fartlek training as well as how it can be programmed and individualized for different clients.

There is no argument that periodization is successful, and that different models can be applied with success in different fashions. The question of how shift work really affects a periodized program—more specifically firefighter shift work—is less clear.

The purpose of this article is to propose a training model for the aging firefighter to improve the athletic qualities of aerobic fitness and muscular strength so that they may remain healthier longer into their careers.