This article in PTQ 11.4 shares content on exercise programs for seniors. Visit NSCA online to read articles on fitness news, personal training and more.

This article briefly explains the two principles necessary for muscle growth.

Kurt Hester, Head of Sports Performance at Louisiana Tech University, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his journey from weight lifting at 12 years old to training collegiate football athletes today. Topics under discussion include starting a business, pioneering strength and conditioning, and the interview process. Find Kurt on Twitter: @thekurthester or on Instagram: @hesterkurt | Find Scott on Instagram: @coachcaulfield

This article is the 11th in a continuing series of tactical strength and conditioning (TSAC) research reviews. It is designed to bring awareness to new research findings of relevance to tactical strength and conditioning communities.

This short excerpt from Developing the Core details the importance of training the core musculature in tennis athletes.

Live high/train low: what changes can be expected, what dose is required, and is it preferable to other training models for improving performance in endurance sports such as running, swimming, and cycling?

This section from the book, Developing Endurance, gives an overview of how to plan and develop a program for endurance athletes by following four steps.

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 Kinetic Select from Developing the Core reviews the effects of muscle activity when performing exercises on unstable surfaces.

All sports nutrition professionals should be able to answer basic nutrition questions. However, athletes with complex nutrition issues should be referred to the appropriate resource as explained in this book excerpt.