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

This article discusses lactate testing as a cost-effective alternative way to create advanced exercise prescriptions, as well as opening the possibility of being a new biomarker of metabolic health for personal trainers.

This second article of a two-part series continues the discussion of long-term athletic development (LTAD). This article provides practical application of the LTAD principles by examining two sample programs.

In this lecture from the NSCA's 2016 Coaches Conference, Caitlin Quinn discusses how to implement simple techniques for creating a disciplined (yet enjoyable) team lifting environment. Quinn talks about how to hold athletes to a high standard of knowledge and movement accountability, how to teach simple physiology to achieve desirable technique, how to instill a level of ownership within each athlete, and how to place a large emphasis on an athlete's mental engagement throughout a lifting session.

Bridge the Gap Lecture: Programming Tactics for Speed/Power Athletes Training Toward the 2018 Games

Flexibility training is important because of the role that flexibility plays in improving movement performance and reducing the opportunity for injury. Learn more about the role of flexibility training in this exclusive excerpt from the book NSCA's Essentials of Personal Training, Second Edition, published by Human Kinetics.

One way to potentially lower an athlete’s susceptibility to injury is a proper warm-up protocol. Warm-ups can potentially aid in injury prevention as a result of optimized movement preparation, and it can also reduce muscle soreness and improve performance.

In the push for personal training sales, many gyms will use assessment protocols as a way to prove to clients that they can indeed benefit from personal training. This article examines the merits behind this concept.

Through a well-designed resistance training program, firefighter recruits can gain the movement skills, confidence to exercise, and foundational strength/physiological adaptations that they need for a long and healthy career.

Read a step-by-step description of how to perform the two-arm kettlebell swing, in this exclusive excerpt from the book Exercise Technique Manual for Resistance Training-3rd Edition With Online Video, published by Human Kinetics.