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.

Mary Kate Feit, Assistant Professor and Associate Director of Strength and Conditioning at Springfield College, and Adam Feit, Coordinator of Physical and Mental Performance at Springfield College and Assistant Director of Performance Nutrition at Precision Nutrition, talk to the NSCA Coaching Program Manager, Eric McMahon, about being a married couple in the world of strength and conditioning. Topics under discussion include the unique positions they hold at Springfield College, how becoming parents has changed their perspective on coaching, and why diversity is so important for the future of the field. Connect with Mary Kate via email: mfeit@springfield.edu | Find Adam on Twitter: @Adam_Feit or Instagram @aefeit | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

In the intercollegiate athletic setting, the strength and conditioning coach can play a role in the development of student-athlete leadership. For the strength and conditioning coach to be a positive contributor to this effort, he or she must have a clear understanding of their role, the role of the sport coach, and the interaction and relationship between the two.

Military and law enforcement needs analyses are not specifically matched to firefighting, but those training styles are better than basic fitness regimens or no regimen at all. For firefighters who are attracted to other styles of training not specific to firefighting, there are ways to train for all the demands of firefighting without making the firefighter use training modalities that they dislike or are not comfortable using.

Hunter Schurrer, Contracted Human Performance Specialist for Fort Lewis Washington 1st Special Forces Group talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about Coach Schurrer’s experience working with collegiate athletes, his mentors at the beginning of his S&C career, and his transition from D1 athletics to Tactical Strength and Conditioning. Topics under discussion include coaching colligate athletes, transitioning to the tactical setting, and training special forces groups.

Contracted Human Performance and Optimization Coach of 2nd Ranger Battalion, 75th Ranger Regimen Jeff Carroll talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his start in the field of strength and conditioning and his transition from professional athletes to a tactical population and setting. Topics under discussion include: Carroll’s career path, coaching professional athletes, transitioning to tactical strength and conditioning, and the future of tactical strength and conditioning.

The playing field has changed in collegiate athletics, but Kaz Kazadi knows the keys to longevity. Get to know the Texas Christian University (TCU) Assistant Athletic Director of Football Human Performance, renowned for his ability to inspire athletes. Follow his roots from the Democratic Republic of Congo (DR Congo) to playing for the National Football League (NFL) Los Angeles Rams — later becoming a “roaming gladiator” in the Canadian Football League (CFL) and NFL Europe to secure tenure. As a leader in the weight room, strength and conditioning was a natural transition. He recalls choosing a graduate assistantship to embody his “long money” philosophy of purpose-driven education, networking, and positivity. Kazadi compares new Name, Image, and Likeness (NIL) policies to free agency and talent acquisition versus recruiting. Additionally, he drills decision-making and delayed gratification as players transition into adulthood. He concludes with advice for creating a coaching network and career vision. Connect with Coach Kaz by email: kaz.kazadi@tcu.edu | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs

Explore the applied sport science research process in college baseball, and how academic research can be optimized to benefit player programming. This episode features Dr. David Szymanski, the Director of Baseball Performance at Louisiana Tech University, and co-editor of the recently published book NSCA’s Strength Training for Baseball. Hear about Szymanski’s career path, from college baseball player to coach and sport scientist. This episode covers a wide range of relevant topics, including exercise selection, performance technology, student pathways, and the emergence of performance director roles across Major League Baseball (MLB). Find David on Instagram: @drdavidszymanski or at his program website: LA Tech Sport Science| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Lanier Coleman coaches from a simple truth: intent drives intensity. Now in his role as Assistant Strength and Conditioning Coach for the National Football League (NFL) Jacksonville Jaguars, Coleman brings the same determination he embodied as a collegiate defensive lineman. He shares how early adversity shaped his standards, teaching him to lead with discipline, cultivate deeper relationships, and “build a fire” in every athlete he coaches. During his coaching tenure at Florida State University, mental and emotional endurance became cornerstones of team development — these are lessons he now carries into professional football. Coleman describes the shift from building collegiate foundations to coaching with precision at the NFL level, where he fine-tunes elite qualities to manage injury risk. He also stresses the importance of unified performance staffs to support athletes through this fast-paced and demanding sport. Gain inspiration to strengthen daily purpose, be a spark in your facility, and support athlete readiness across high-performance environments. Reach out to Lanier via Instagram: @l_coleman98 | 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 examines using the sled as a dynamic correspondence exercise for increasing on-ice acceleration.