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Physiology
gym instructors
You must achieve a 75% passing grade on the annual exam consisting of 25 multiple choice questions
MANUAL - 600 page
NGA Personal Trainer Retest
41. NGA ESSENTIAL TRAINING PRINCIPLES DVD PhysiologyNGA'S ESSENTIAL TRAINING PRINCIPLES DVD The National Gym Association, Inc. (NGA) training DVD, NGA Essential Training Principles DVD is 104 minutes long, packed with training techniques, principles in free weights, plate loading, and selectorized equipment. This DVD is a must for every gym owner, trainer, athlete, and fitness enthusiast in the fitness industry. There is no need to spend a vast amount of money for travel, hotel accommodations, and
