Muscular_Fitness_SV - Muscular Fitness Benefits of Strength...

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Muscular Fitness
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Benefits of Strength Training Regular strength training results in: Improved body composition Denser bones Improved performance Fewer injuries Reduced risk of heart disease Improved self-image, self-esteem, self-confidence
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Muscle Structure
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Muscle Fibers Slow-twitch fibers: Fatigue-resistant Don’t contract as rapidly and strongly as fast- twitch fibers Used in during aerobic exercise Fast-twitch fibers: Fatigue quickly Contract rapidly and forcefully Relay on anaerobic metabolism
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Muscle Fibers Most muscles contain both slow and fast twitch fibers. Strength training increases: The size and strength both type of fibers, however, fast twitch fibers benefit more from strength training. Recruitment of motor fibers through motor units
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Muscular Fitness Muscles make up more than 40% of your body mass Hypertrophy - increase in muscle size as a results of muscular load, training Atrophy - decrease in the size of muscle fibers, detraining Agonist vs. Antagonist
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Muscular_Fitness_SV - Muscular Fitness Benefits of Strength...

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