Jason Loscalzo, Head Strength and Conditioning Coach for the Chicago Bears National Football League (NFL) team, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his journey from a college to NFL strength and conditioning coach. Topics under discussion include networking, diversifying your portfolio, and coaching philosophy. Find Jason Loscalzo on Twitter: @jason_loscalzo| Find Scott on Instagram: @coachcaulfield

Early sports specialization has been a controversial topic in the field of sports medicine, training, and conditioning. Recent studies report increased sports-related injuries in single-sport specialized athletes compared with multisport specialized athletes.

Physical assessments have evolved as a result of developments in scientific research, equipment loads, operational environments, and doctrine.

The purpose of this article is to provide personal trainers with a review of common muscle extensibility tests of the lower extremity.

The aim of this article is to review the research into the knowledge of personal trainers, their misconceptions, and to provide evidence-based strategies to help correct any misconceptions.

This excerpt briefly explains the benefits of exercise while pregnant.

Nick Clayton, Personal Training Manager at the NSCA, shows key coaching points and progressions for single-leg squat and lunge movements.

You don’t have to love the weight room, but you can’t last without it. Champ Bailey, a National Football League (NFL) Hall of Famer, admits he never enjoyed lifting, but says respecting the work gave him the edge to sustain 15 seasons at the highest level. Hear how his preparation evolved from traditional lifts to readiness routines — core, mobility, warm-ups, and recovery — that kept him fresh through the NFL grind. Bailey emphasizes that strength and conditioning coaches are undervalued leaders who “see you at all levels,” guide comebacks, and build buy-in with simple numbers. He recalls how a failed conditioning test led to one of his best seasons, and how weight room leadership left no cracks to ensure buy-in from everyone. Bailey continues his impact through the Positive Athlete initiative, using sport as a platform for growth. Gain practical ways to tailor training by role, earn athlete respect, and build a winning culture. Connect with Champ via email at: ChampBailey@positiveathlete.org | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Answer the call to give back and lead the profession. Applications for the NSCA and NSCA Foundation Boards of Directors are now open, with more volunteer positions available October 1. See if you qualify and apply at NSCA.com/Volunteer.