Body by Science audiobook cover - A Research Based Program for Strength Training, Body Building, and Complete Fitness in 12 Minutes a Week

Body by Science

A Research Based Program for Strength Training, Body Building, and Complete Fitness in 12 Minutes a Week

Doug McGuff, John Little

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Body by Science
Redefining Health & Fitness+
High-Intensity Training (HIT)+
The Big Five Routine+
Progression & Advanced Tactics+
Genetics & Expectations+
Weight Loss & Recovery+

Quiz — Test Your Understanding

Question 1 of 8
What does the story of the ancient Greek courier Pheidippides illustrate about physical activity?
  • A. Long-distance running is the ultimate test of cardiovascular health.
  • B. Exercise, fitness, and overall health are not always connected.
  • C. Ancient training methods were superior to modern fitness routines.
  • D. Catabolic processes are far more important than anabolic processes.
Question 2 of 8
According to the text, a truly healthy body naturally balances which two internal chemical processes?
  • A. Aerobic and anaerobic
  • B. Metabolic and cardiovascular
  • C. Catabolic and anabolic
  • D. Fast-twitch and slow-twitch
Question 3 of 8
What did the 2005 McMaster University study reveal about short, high-intensity workouts compared to regular aerobic exercise?
  • A. High-intensity workouts improved endurance by almost 100 percent, while aerobic exercise showed no change.
  • B. Aerobic exercise was vastly superior for long-term cardiovascular health and endurance.
  • C. Both groups showed identical improvements in overall fitness and muscle growth.
  • D. High-intensity workouts caused immediate muscle degradation compared to aerobic exercise.
Question 4 of 8
Why do low-intensity exercises like jogging fail to yield dramatic metabolic results?
  • A. They cause the body to overproduce the muscle-constraining protein myostatin.
  • B. They primarily engage slow-twitch muscle fibers, which use very little energy.
  • C. They require too much recovery time between sessions for the metabolism to stay elevated.
  • D. They deplete the body's glucose reserves too quickly, halting fat burning.
Question 5 of 8
What is the primary goal when performing the 'Big Five' workout routine?
  • A. To complete as many rapid repetitions as possible within a 90-second window.
  • B. To elevate the heart rate to its maximum capacity for at least 20 consecutive minutes.
  • C. To reach a state of 'positive failure' where the muscles can no longer lift the weights.
  • D. To alternate between aerobic and anaerobic states without taking any breaks.
Question 6 of 8
What does the book recommend you do when your fitness gains plateau while doing the Big Five routine?
  • A. Switch entirely to daily low-intensity cardio exercises to reset your metabolism.
  • B. Stop exercising for a month to let your fast-twitch fibers fully recover.
  • C. Double the amount of time you spend on each exercise from 90 seconds to 3 minutes.
  • D. Adjust your technique, such as using a time-static hold, to put muscles under a different stress.
Question 7 of 8
Why is it unrealistic for most people to achieve the muscular physique of a Hollywood bodybuilder?
  • A. Most people lack the discipline to work out seven days a week.
  • B. Muscle growth is strictly constrained by genetics, such as the production of the protein myostatin.
  • C. The average person consumes too many carbohydrates to build lean muscle.
  • D. Hollywood bodybuilders completely eliminate fast-twitch muscle fibers from their bodies.
Question 8 of 8
According to the text, why is building muscle the most efficient way to lose weight?
  • A. Muscle tissue physically absorbs excess carbohydrates before they can turn into fat.
  • B. Weightlifting suppresses the appetite much more effectively than aerobic exercise.
  • C. Muscle requires significant energy to maintain, meaning your body burns more calories even at rest.
  • D. Muscle cells permanently replace fat cells during high-intensity workouts.

Body by Science — Full Chapter Overview

Body by Science Summary & Overview

Body by Science (2009) is a comprehensive guide to building muscle. This handbook is driven by data, and it offers a scientifically proven approach to sculpting a fitter, firmer body. All you’ll need is a few minutes a week.

Who Should Listen to Body by Science?

  • Fitness buffs looking to optimize their routine
  • Couch potatoes eager to amp up their physical activity
  • Anyone curious about the science of building up muscle

About the Author: Doug McGuff, John Little

Doug McGuff, MD, is an expert in emergency medicine and former chief resident at the University of Arkansas for Medical Sciences.

John Little is a fitness expert and owner of Nautilus North Strength & Fitness Centre. In addition to training athletes, he also publishes fitness books. Mr. Little is the author of The Time-Saver's Workout and The Warrior Within: The Philosophies of Bruce Lee.

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