This excerpt from Developing the Core briefly defines closed- and open-chain exercises and their respective roles in training.

Strength coaches make up the foundation of the NSCA since its beginnings more than four decades ago and continue to drive our purpose and passion. Learn more about obtaining the acclaimed CSCS® certification, gain knowledge through NSCA's peer-reviewed journals, and get inspired by NSCA's coaching podcast. From tools and resources to thousands of top professionals across the globe, you've got the support and the credibility of an association dedicated to your profession.

This episode of the NSCA Coaching Podcast presents drug testing and anti-doping initiatives in elite sport. Team USA 2008 Olympian, Carissa Gump, discusses how her journey as an international level weightlifter led to her becoming an ambassador for fair competition. Gump shares lessons from overcoming a career-threatening injury prior to the 2008 Olympics, with NSCA Coaching and Sport Science Program Manager, Eric McMahon, and how a passion for supporting athletes has fueled her career as a sport business executive. Learn about opportunities that the NSCA Foundation has for aspiring strength and conditioning professionals, and how the NSCA Foundation serves to promote the philanthropy of the coaching profession. Learn more about clean sport and anti-doping by taking the USADA Coach’s Advantage Course for 0.2 NSCA CEUs. Check out NSCA Foundation resources to discover grants and scholarships available for strength and conditioning professionals. More episode links: USADA – U.S. Anti-Doping Agency TrueSport – Education for Coaches, Athletes, and Parents NSF for Sport – NSF Certified Nutritional Products Listing Global DRO – Drug Reference Online Drug Free Sport – Anti-Doping Services and Education Email Carissa at carissa.gump@nsca.com| Connect with Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of this article is to inform readers of a training tool which is both safe and effective in allowing swimmers to develop strength and power through a unique training protocol.

Line drills can be an excellent way for athletes to improve their footwork, speed, and coordination. This article contains examples of several easy-to-implement line drills.

Scientific research has identified lactate threshold (LT) and maximal exercise performance as being very important contributors to endurance performance. A well-designed endurance training program can lead to improvement in both LT and maximal exercise performance within a single season and from season to season.

This excerpt from Developing Agility and Quickness explains a twelve-station agility circuit for basketball athletes.

Micah Kurtz, Director of Strength and Conditioning at AC Flora High School talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about high school strength and conditioning, and how to break into the field.

Tex McQuilkin, Director of Training and Education at Power Athlete talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about Coach McQuilkin’s work at power athlete, his athletic background, and his start into Strength and Conditioning. Topics under discussion include: Power Athletes education program, Coach McQuilkin’s experiences working with athletes, his GA position,

The NSCA is committed to provide helpful resources by partnering with the experts in Anti-doping to ensure athlete safety and promote safe sports.