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.
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.
Personal trainersCoachesExercise ScienceTesting and EvaluationOvertrainingoverreachinghow to avoid overtrainingdetrainingovertraining syndrome
Ultra-endurance performance is likely determined by quality of physical preparation, effective nutritional management, ability to cope with the environmental stressors, psychological resilience, and recovery capacity.
CoachesExercise ScienceProgram designlong distance runningMarathon Des Sablesultra marathonmarathon trainingUltraendurance training
This article will explain the interference effect and provide a rationale for why low-intensity steady-state (LISS) cardiovascular training may be a useful tool for those interested in improving their body composition.
Personal trainersExercise ScienceProgram designSteady-StateCardioInterference EffectFat LossAerobic
Position statements are official statements of the NSCA on topics related to strength and conditioning and exercise science. All NSCA Position Statements are published in the Journal of Strength and Conditioning Research® and free to the public.