The path to the top is not always linear. For Jill Costanza, it included returning to school and stops in collegiate and military performance before becoming Director of Sport Science and Assistant Strength and Conditioning Coach with the National Football League (NFL) Detroit Lions. Costanza describes today’s sport science landscape as a “Wild West,” where definitions differ by perspective. Her focus centers on assessing the athlete and program effectiveness against the demands of the game to identify holistic interventions. She outlines how intentional systems, a clear communication funnel, and data visualizations help athletes and stakeholders understand the “why,” build buy-in, and tap into competitiveness. Addressing common misconceptions, Costanza clarifies that elite athletes can still have foundational qualities that need rewiring. She emphasizes movement quality, proprioception, and breathing while adapting for individual needs and neurological fatigue. Learn how to build sport science systems, turn insights into action, and keep progressing on your professional path. Reach out to Jill by email at: jill.costanza@lions.nfl.net | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Join the NSCA Football Special Interest Group (SIG) and explore 24 other specialized communities designed to support your development on the Special Interest Groups page.

This article discusses performance under stress, as well as factors influencing this performance in tactical personnel.

This article discusses the findings of a recent study on the effectiveness of a time-efficient occupationally-specific training program to improve performance in qualities related to physically demanding tactical tasks in law enforcement officers.

The Head Performance and Strength Coach for the Sacramento Kings National Basketball Association (NBA) team, Ramsey Nijem, talks to the National Strength and Conditioning Association (NSCA) Head Strength and Conditioning Coach, Scott Caulfield, about his recent experience completing a doctoral degree as well as his path to his current position.

This article provides a discussion around the evidence on creatine timing and supplementation.

An evidence-based movement assessment could hold Marines accountable for mobility and stability by systematically assessing movement patterns. This article (part three of a four-part series) explains one way that this could be accomplished.

This excerpt from NSCA’s Essentials of Sport Science highlights the importance of quantifying training load for both programming and monitoring an athlete’s progression or regression over time.

Boyd Epley, founder of the National Strength and Conditioning Association (NSCA) and one of the most decorated strength coaches of all time, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about how the NSCA was founded, how Coach Epley talked Nebraska into letting him weight train all football athletes (most of whom never lifted before), and growing the profession for female strength and conditioning coaches.

Learn about the framework for practical, functional, and sequential skill development for a “best practices” model. This model is designed to develop a movement vocabulary, physical literacy, and movement skills for improved athleticism.