This article serves to educate strength and conditioning coaches on the influence exercise can have on the various hormonal pathways that are impacted by polycystic ovarian syndrome (PCOS), including insulin resistance, cortisol, testosterone, follicle-stimulating, and luteinizing hormones.

Periodization of training is based on the principle that different loads (e.g., light, moderate, or heavy) or power requirements recruit different types and numbers of motor units. Recruitment order is important from a practical standpoint for several reasons.

When considering applying advanced methods to affect and augment maximal power output, this excerpt from Developing Power explains three key points to consider.

This article breaks down youth training. To develop athleticism for youth, coaches should follow the C.O.R.E. principles: context in which to apply movement patterns, opportunities to develop proper movement, recognition of physical attributes required, and environments in which youth explore movement.

This article in NSCA Coach discusses how machine-based testing can be used to gather data and improve training. Visit NSCA online to learn more on sports science and exercise research.

Dr. Josh Secomb, lecturer in exercise and sport science (strength and conditioning) at the University of Newcastle, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about being a self-aware and authentic coach. Topics under discussion include finding new areas to employ different skillsets as practitioners, the value of training progressions and understanding your athletes, and his unique opportunity to research and coach surfers. Find Dr. Secomb on Twitter: @37Seco | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

Beyond the programming, exercise technique, and human physiology, it is also important to create a customized system for sales success. Re-framing the purpose of the sales presentation in the proper light and creating a customized system that will allow a fitness professional to sell their services with integrity can allow them to help more clients.

This PTQ article provides a review of the practical and the physiological benefits that resistance bands can provide. Visit NSCA online to read more on fitness news, exercise science and athletic performance.

Patrick McHenry, Head Strength and Conditioning Coach at Castle View High School in Castle Rock, CO, and member of the NSCA Board of Directors, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about high school strength and conditioning and his growth in the NSCA from a volunteer to an NSCA Board mMember. Connect with Patrick on Twitter: @strengthcentral and Instagram: @ptmchenry | Find Scott on Instagram: @coachcaulfield and Twitter: @scottcaulfield

This excerpt from NSCA’s Essentials of Sport Science describes strength as a velocity-dependent concept.