The purpose of this article is to address the key elements when designing a training program for firefighters, provide evidence for utilizing circuit training, and suggest recommendations on how to incorporate circuit training into the training program.

This second article of a two-part series continues the discussion of long-term athletic development (LTAD). This article provides practical application of the LTAD principles by examining two sample programs.

This article applies LTAD principles to guide the process of generating an athletic profile (part 1) and sample program design (part 2) for a middle school athlete and a high school athlete.

The purpose of this article is to review various gravitational running (GR) techniques from an evidence-based approach, then recommend whether to include GR techniques in the training of tactical athletes.

The primary focus of this article is to provide personal trainers with an evidence- and practice-based approach to exercise selection and implementation in those with low back pain.

The purpose of this article is to discuss the different opinions regarding the validity of early sport specialization as opposed to diversification, specifically the effect these two methods have on injuries, motor development, skill acquisition, and social and psychological aspects.

This excerpt from the book Developing Endurance, published by Human Kinetics, presents a sample 5K training plan for runners.

This article discusses using the principle of specificity as an important component in tactical training programs to enhance performance, decrease injuries, and improve functional longevity of a tactical athlete.

Few strength coaches have shaped sport performance like Al Vermeil — the only strength coach to earn championship rings in both the National Football League (NFL) and National Basketball Association (NBA). In this Gatorade Performance Partner Special Episode, Vermeil shares how a career built on explosiveness, adaptability, and relentless curiosity has transformed teams at every level. From advancing plyometrics and Olympic lifts in the 1970s to creating the performance pyramid and the innovative “time machine” testing system, his methods have influenced generations of coaches and athletes worldwide. Known for blending timeless principles with fresh, actionable ideas, he explains how mechanics, group management, and collaboration create consistent results and lasting trust. Along the way, Vermeil offers rare perspectives on coaching longevity, revealing how his adaptability and curiosity have kept him learning — and lifting — into his 80s. Gain practical insights to keep explosiveness central, integrate performance science, and strengthen your long-term coaching impact. Reach out to Coach Vermeil by email at: a60vermeil@sisna.com | Email Jon Jost at: jonathan.jost@pepsico.com | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs. This special episode is brought to you in part by Gatorade Performance Partner. Learn more and join their community at GatoradePerformancePartner.com.

Jim Kielbaso, MS, CSCS, spoke at the NSCA's 2013 Personal Trainer Conference about finding balance between working with personal training clients vs athletes.