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.

Athletes in field and court sports require reactive agility—they must accelerate, decelerate, and change direction in a constantly changing environment. These requirements result in technical differences between sprinting in a field or court sport and sprinting the 100-m.

The purpose of this article is to discuss the health and occupational implications of firefighters not currently meeting the National Fire Protection Association (NFPA) aerobic capacity recommendations.

The aim of this article is to provide an overview of the research on multi-ingredient pre-workout supplements (MIPS) and help practitioners become educated consumers when evaluating the various formulas and products on the market for making recommendations to clients or athletes.

In this session from the 2015 NSCA TSAC Conference, Matt Wenning explains the sumo deadlift, a foundational exercise for maximal strength development and a tool that is essential to the tactical population due to its movement pattern. The ability to learn proper technique and progressions with this exercise can help to improve a tactical athlete’s performance and decrease the likelihood of injury because it trains major muscle groups and multiple joints at the same time.

How can tactical athletes ensure they are getting enough protein, what is the best timing for protein intake, and what should they look for in a protein supplement?

This article assessed the effectiveness of the Holistic Health and Fitness Lite (H2FL) pilot that integrates strength and conditioning coaches, dietitians, occupational therapists, physical therapists, and cognitive performance specialists into conventional units to provide holistic care for soldiers.

Heart rate variability (HRV) testing is at the forefront of a wave of cutting-edge assessment tools that are becoming available to the personal trainer. In this session from the 2015 NSCA Personal Trainers Conference, Carmine Grieco provides an overview of the physiological background and dynamics of HRV, including the most current supportive evidence, with an emphasis on the practical application for personal trainers.

Matthew Ibrahim, Co-Owner of TD Athletes Edge, talks to the NSCA Coaching and Sport Science Program Manager, Eric McMahon, about using setbacks as a learning opportunity. Topics under discussion include creating a holistic approach to a client’s training by collaborating with other professionals, and the importance of deceleration technique and eccentrics in his programs for skill acquisition. Find Matthew on Instagram: @matthewibrahim_ | Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

The purpose of this article is to provide personal trainers with a review of common muscle extensibility tests of the lower extremity.