The following erratum, a correction to a published article, appears in the October 2015 issue of the Journal of Strength and Conditioning Research.

Andy Galpin, Associate Professor and Co-Director of Center for Sports Performance at Cal State Fullerton, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about the roles of science and technology in sport.

Clayton Kuklick, coaching researcher at the University of Denver, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about what it truly means to be a master coach. Topics under discussion include motor learning, practice design, mentorship in coaching, and coaching standards.

Athletes in field and court sports require reactive agility—they must accelerate, decelerate, and change direction in a constantly changing environment. These requirements result in technical differences between sprinting in a field or court sport and sprinting the 100-m.

The purpose of this article is to identify and discuss some barriers and benefits of training initiatives among professional firefighters.

Stuart Hart, Head Strength and Conditioning Coach for women’s basketball at the University of Nebraska, talks to the former NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his journey from high school athlete to personal trainer to volunteer coach to full-time college strength and conditioning coach. Topics under discussion include a day in the life at the University of Nebraska, building relationships throughout the entire athletic staff, and the value of going to conferences for both educational and networking reasons. Find Stuart on Twitter: @No_DaysOff06 or Instagram: @strength_byhart

This is an excerpt from NSCA's Essentials of Sport Science by NSCA -National Strength & Conditioning Association, Duncan N. French & Lorena Torres-Ronda.

This article provides an overview of how information collected through a performance-monitoring program can be used to assist in the development of a sliding sport talent identification program.

Tactical jobs are fast-paced, physically and psychologically intense, and failure can have tragic consequences, making it vital to train tactical athletes to perform better under stress.

This article discusses the influence of lower-body power on soccer performance in collegiate female soccer players. It also covers testing for muscular power qualities, different training modalities to use, and sample training programs as examples.