This infographic reviews the current research of both complex and contrast training methods and their effect on performance measures.

This infographic highlights the use of an individualized load-velocity method to prescribe sled-push loads in young athletes.

This infographic breaks down the demands that forwards and defensemen face in official National Hockey League (NHL) games.

This infographic summarizes a study that analyzed performance based on target velocity or coaching cue.

Hear from a more than 30-year strength and conditioning coaching veteran in the sport of rugby, Ashley Jones. He talks to NSCA Coaching and Sport Science Program Manager, Eric McMahon, about his progression in the field, beginning in 1988 to his current roles as part of the NSCA Rugby Special Interest Group, Awards and Honors Committee, and Certification Committee. Jones provides insight on the important roles of NSCA Committees in supporting the integrity of the coaching profession. Learn more about the expanded roles of strength and conditioning coaches in non-mainstream sports, like Rugby in North America, while also helping to support skill and game development. This episode also includes great lessons on program planning within the team setting and how to emphasize the “human element” in coaching. You can contact Ashley by email at ashley@ashleyjonesstrengthcoach.com| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Steve Hess, Chief Performance Officer at Panorama Orthopedics and Spine Center, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about creating buy-in with sport coaches and athletes, becoming one of the first National Basketball Association (NBA) strength and conditioning coaches, and staying current in an ever-changing field.

Lawrence Herrera, owner and founder of LH Performance, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about how strong is strong enough, keeping the training simple, and relating to athletes and coaches.

Darnell Clark, Director of Strength and Conditioning at Charlotte Country Day School in Charlotte, NC, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his path to becoming a high school strength and conditioning coach, the structure of his high school (Charlotte Country Day) strength and conditioning program, and giving back to the industry.

The catecholamines—primarily epinephrine, but also norepinephrine and dopamine—are secreted by the adrenal medulla and are important for the acute expression of strength and power because the hormones act as central motor stimulators and peripheral vascular dilators to enhance enzyme systems and calcium release in muscle.

Oxygen uptake (or consumption) is a measure of a person’s ability to take in oxygen and deliver it to the working tissues, and the ability of working tissues to use oxygen. During low-intensity exercise with a constant power output, oxygen uptake increases for the first few minutes until a steady state of uptake is reached.