This article aims to offer guidance on the effects of certain medications, as well as help personal trainers and their clients in the consultation process with qualified physicians and pharmacists.

This article discusses the effects of instability on force and velocity throughout the body.

Bone tissue is “alive” and is a dynamic tissue that can respond to resistance training. In addition to the obvious effects of resistance training on muscle mass and strength, resistance training may lead to decreased risk for osteoporosis, fractures, and falls in later life.

Acceleration is the rate of change in velocity, so this phase of sprinting is critical for changing directions as rapidly and efficiently as possible. Optimal technique for linear sprinting in the acceleration phase involves four factors that maximize stride length and frequency.

Regarded as a sport science advocate in Major League Soccer (MLS), follow David Tenney’s journey from sport coach to High Performance Director at Austin Football Club (FC). Tenney and NSCA Coaching and Sport Science Program Manager Eric McMahon begin by discussing increases in MLS staff and embracing the overlap between coaching and performance science staff. Tenney reflects on how experienced coaches often evolve toward mentorship, finding balance between “leader” and “practitioner.” The pair examine the new MLS-mandated performance scientist position, which requires the Certified Performance and Sport Scientist® (CPSS®) credential. Created to standardize the role and responsibilities, MLS performance scientists leverage data from GPS and force plates into effective and ethical takeaways. As President of the emerging Professional Soccer Performance Association (PSPA), Tenney shares his goals to create a network, gain representation, and increase credibility. Tenney and McMahon also explore the robust MLS developmental pipeline, interviewing strategy, and early career advice. Connect with David on Twitter/X: @davetenney or LinkedIn: @david-tenney | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs For a deeper look into sport science, explore career trends and how to leverage the CPSS certification into new career opportunities. Discover your next job or internship on the NSCA Job Board. This episode discusses David Tenney’s PhD dissertation, An Exploration of the Leadership Competencies Required for High-Performance Directors in North American Professional Sports Organizations, which includes interviews with NFL, NBA, MLB, NHL, and MLS leaders.

Live high/train low: what changes can be expected, what dose is required, and is it preferable to other training models for improving performance in endurance sports such as running, swimming, and cycling?

This PTQ article reviews the research comparing injury rates across major resistance training styles and ranks them from the safest to the riskiest and provides practical recommendations to improve training safety. Visit NSCA online to learn more about bodybuilding and strength training strategies.

This column from the TSAC Report explores the impact of physical fitness and cardiovascular disease risk factors among firefighters and law enforcement officers. Visit NSCA online to learn more about tactical fitness.

This article discusses the idea of Confucian adaptability as a framework for cultivating interpersonal skills for personal trainers.

The playing field has changed in collegiate athletics, but Kaz Kazadi knows the keys to longevity. Get to know the Texas Christian University (TCU) Assistant Athletic Director of Football Human Performance, renowned for his ability to inspire athletes. Follow his roots from the Democratic Republic of Congo (DR Congo) to playing for the National Football League (NFL) Los Angeles Rams — later becoming a “roaming gladiator” in the Canadian Football League (CFL) and NFL Europe to secure tenure. As a leader in the weight room, strength and conditioning was a natural transition. He recalls choosing a graduate assistantship to embody his “long money” philosophy of purpose-driven education, networking, and positivity. Kazadi compares new Name, Image, and Likeness (NIL) policies to free agency and talent acquisition versus recruiting. Additionally, he drills decision-making and delayed gratification as players transition into adulthood. He concludes with advice for creating a coaching network and career vision. Connect with Coach Kaz by email: kaz.kazadi@tcu.edu | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs