HRV is thought to provide objective insight into understanding fatigue, “trainability,” and “readiness” to perform in athletic populations. Evolving access to HRV data may enhance the understanding of individualized fitness and training responses in tactical athletes.

Tendinopathy is a pathological condition that occurs when a tendon is repeatedly injured and degenerately breaks down. Specific exercise programming may help prevent tendinitis from occurring.

While there are a variety of behavior change theories and models to choose from when developing a targeted behavioral approach for a client, the transtheoretical model (TTM) provides a relatively simple and easy-to-follow model.

Certified Special Population Specialists® (CSPS®) are fitness professionals who, using an individualized approach, assess, motivate, educate, and train special population clients, including those with chronic and temporary health conditions. Become a certified personal trainer, then pursue this advanced personal trainer certification. CSPS® individuals train clients with medical conditions such as metabolic disease, autoimmune disorders, cancer and cardiac arrest, and address the needs of prenatal and postpartum personal training clients.

This excerpt from Developing Power discusses neuromuscular training for youth athletes.

This article breaks down periodization into sequencing and integrating training factors to optimize training outcomes.

The official position statement of the NSCA on long-term athletic development.

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

This article provides medicine ball exercise progressions to help build athleticism in youth athletes.

This Kinetic Select from NSCA’s Essentials of Personal Training, Second Edition gives a brief overview of respiratory adaptations, and how aerobic interventions of duration and intensity can be used for specific adaptations for endurance training.