This excerpt from NSCA’s Essential of Tactical Strength and Conditioning explores the neural and muscular adaptations to training over time.

This TSAC Report article highlights ruck performance for tactical athletes with key insights on load carriage biomechanics, gait changes, and training strategies to reduce injury. Visit NSCA online to learn more about military strength training.

This article aims to explain why integrating multiple tests such as Anaerobic Speed Reserve (ASR), Intermittent Fitness Test (IFT), and Maximum Aerobic Speed (MAS) can provide a comprehensive evaluation of soccer players’ fitness levels and help to design effective training programs tailored to their individual needs.

This article will explain the interference effect and provide a rationale for why low-intensity steady-state (LISS) cardiovascular training may be a useful tool for those interested in improving their body composition.

When isolating aerobic capacity as a determinant of performance, traditional interventions have focused on increasing an individual’s VO2max. Based on the large acute improvements from a single positive psychology research study, investigations into the application of integrated psychophysiological strategies to optimize performance should be explored.

The goal of this brief review is to describe what classifies as high-intensity interval training (HIIT) and summarize the potential benefits for various populations: athletic, general, and clinical.

This article explores strength training and conditioning programs designed to improve Physical Fitness Test (PFT) scores, strength, endurance, power, and combat readiness. Visit NSCA online to learn more about tactical athletes and strength.

Explore predeployment training periodization mesocycle samples for tactical athletes from NSCA’s Essentials of Tactical Strength and Conditioning, 2nd Edition.

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

Hybrid fitness competitions such as HYROX have rapidly gained popularity, blending aerobic endurance running with a variety of high-intensity resistance and ergometer-based stations in a globally standardized format. The sport’s unique structure, comprising eight 1-kilometer runs interspersed with diverse workload stations, presents distinct physiologic, biomechanical, and technical demands. This review synthesizes existing research on hybrid fitness events to identify the key determinants of HYROX performance, emphasizing aerobic capacity, anaerobic power, local muscular endurance, and maximal strength. The aerobic system is foundational, enabling recovery between high-intensity efforts and sustaining performance during the event’s prolonged duration. Conversely, anaerobic capacity is critical for executing the high-intensity efforts demanded by each fitness station. Local muscular endurance supports repeated submaximal contractions, while strength and power underpin performance in movements such as sled pushes and running economy. Technical proficiency and injury prevention strategies are also discussed, alongside targeted programming recommendations, including high-intensity interval training, circuit training, and blood flow restriction methods. Despite its growing popularity, limited sport-specific research exists, necessitating further investigation to refine training and performance strategies. This review provides a comprehensive framework for athletes and coaches to optimize preparation and performance in HYROX, contributing to the broader understanding of hybrid fitness competitions.