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.
This article discusses what muscle dysmorphia is, the ways in which adolescents can fall victim to it, and how to intervene when body image becomes distorted.
Personal trainersProgram designBasic Pathophysiology and Science of Health Status or Condition, Disorder, or Disease
This excerpt from Developing Speed demonstrates a fun drill aimed to develop the ability to make a cut step in response to a stimulus and to accelerate from this direction change.
Katie Fowler, from the University of South Carolina, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about being part of a National Championship team/culture, successful intern qualities, being a female strength and conditioning coach in a male dominated profession, and the influence of data in strength and conditioning.
Jim Davis, Director of the Good Athlete Project, talks to the NSCA Head Strength and Conditioning Coach, Scott Caulfield, about developments in high school coaching, options for how to structure and fund a high school position, coaching for kindness, and the application of cognitive neuroscience to fitness and exercise.
This article is part of 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.
TSAC FacilitatorsExercise ScienceProgram designTesting and EvaluationClient Consultation|AssessmentSafetyEmergency ProceduresLegal IssuesBasic Pathophysiology and Science of Health Status or Condition, Disorder, or DiseaseProfessional Development
This book excerpt is an overview of the fundamentals to sprinting mechanics and technique. It also covers starting, acceleration, drive phase, recovery phase, and deceleration.
Unfortunately, injuries do occur during exercise, and the legal implications that follow them can be quite significant. Taking small, reasonable precautions at the onset of a new personal trainer-client relationship can stave off significant problems down the road.
Personal trainersOrganization and AdministrationLegal Issues