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 Personal Training Quarterly article discusses blood biomarker monitoring as a vital tool in overtraining syndrome diagnostics and recovery. Visit NSCA online to read more on fitness news and exercise research.
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The purpose of this article is to discuss creatine supplementation for athletes by addressing supplementation for athletic performance, recovery, cognition, brain function, safety, contraindications, and other special considerations.