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Notice: The NSCA website is scheduled to undergo system maintenance from 2:00 AM - 2:30 AM EST. During this time, there may be short service interruptions across the site and some parts of the site may not be accessible. We apologize for any inconvenience while we work to improve the website experience and security.
Growth hormone release is affected by the type of resistance training protocol used, including the duration of rest periods. Short rest period types of workouts result in greater serum concentrations compared to long rest protocols of similar total work; however, at present it is not clear how the various molecular forms or types of growth hormones are affected by rest period duration.
Read a step-by-step description of how to perform the two-arm kettlebell swing, in this exclusive excerpt from the book Exercise Technique Manual for Resistance Training-3rd Edition With Online Video, published by Human Kinetics.
CoachesExercise ScienceExercise Techniquekettlebellkettlebell swingkettlebell trainingtwo-arm kettlebell swingstrength training
Knowledge of metabolic rate can help athletes as well as health-conscious people improve their exercise performance or obtain the fat-to-lean-mass ratio optimal for their personal situations. Two examples of how this works follow.
CoachesExercise ScienceNutritionmetabolic ratefitness teststrength and conditioningweight loss
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.
CoachesExercise Techniquespeed developmentsprintingsprinting for soccersprinting intervalssprinting for basketball
Hydration, footwear, and exercise frequency are only a few of the essentials to safe participation in cardiovascular activity. Make sure to include all six essentials in your program to ensure safe participation.
Personal trainersCoachesExercise ScienceSafetyHydrationWarm-UpCool-DownBreathingExercise FrequencyClothingFootwear
A major concern with balance and joint-stabilization exercises is to avoid potentially dangerous movements that depend on the preparedness of the athlete or patient and on the state of the healing tissue. Learn about progressions that minimize risk to the athlete or patient.
CoachesExercise ScienceProgram designbalance exercisesjoint-stabilization exercisesstrength and conditioninginjury avoidanceprehabilitation
Research shows that the appropriate integration of resistance training into the endurance athlete’s training can result in significantly better performance when compared to classic endurance training plans that focus only on aerobic endurance.
CoachesExercise Sciencetraining for runnersweight trainingstrength trainingsport performance trainingEndurance training
The purposes of assessment are to gather baseline data and to provide a basis for developing goals and effective exercise programs. Gathering and evaluating the various pieces of information give the personal trainer a broader perspective of the client. The process and the data collected assist the trainer in identifying potential areas of injury and reasonable starting points for recommended intensities and volumes of exercise based on the goals and fitness outcomes.
Personal trainersTesting and EvaluationClient Consultation|Assessmenttests and assessmentexercise prescriptionstrength trainingtactical athlete