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.

Many personal trainers work with clients who are dealing with musculoskeletal pain that has negative consequences both on the client’s ability to exercise and their activities of daily living. This article discusses the different types of pain, and describes targeted approaches for training clients with persistent musculoskeletal pain.

This excerpt from Strength Training describes the hormone response to exercise and their functions within the human body.

There is no argument that periodization is successful, and that different models can be applied with success in different fashions. The question of how shift work really affects a periodized program—more specifically firefighter shift work—is less clear.

Understanding how the body adapts to the overload of aerobic exercise is critical to designing effective exercise training programs, monitoring exercise responses and progress, and assessing training outcomes.

It is important for strength and conditioning coaches, sport coaches, athletic trainers, and administrators to recognize and address the evidence of stress within student-athletes in order to avoid chronic stress-related anxiety and injury.

Due to the principle of specificity, training should be tailored to the goal of the lifter in terms of the prioritization of strength, hypertrophy, health, and functional outcomes. If the goal is muscular hypertrophy, it may be beneficial to vary the repetition range, and to utilize a variety of loads and loading strategies in the pursuit of maximizing hypertrophy.

This article will briefly discuss physiological and psychological adaptations, as well as review general guidelines for beginning aerobic and resistance training exercise during pregnancy.

Roger Marandino, Director of Research at Catapult, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about his experiences as a strength coach at the youth, collegiate, and National Football League (NFL) level. Topics under discussion include the struggles he faced as a young coach, his advice for making a big impact on a small budget, interviewing skills, and the new opportunities arising in the strength and conditioning profession.