What is *Fast Exercise* by Michael Mosley about?

*Fast Exercise* explores the science of high-intensity interval training (HIIT), demonstrating how ultra-short bursts of intense exercise (as little as 20 seconds) can improve fitness, aid weight loss, and reverse conditions like diabetes. Co-authors Michael Mosley and Peta Bee provide evidence-based workouts for all fitness levels, emphasizing minimal time commitment and maximum results.

Who should read *Fast Exercise*?

This book is ideal for time-starved individuals, sedentary adults seeking a manageable routine, and fitness enthusiasts wanting to optimize workouts. It also appeals to those curious about metabolic health, diabetes prevention, or efficient exercise science.

Is *Fast Exercise* worth reading?

Yes. The book offers actionable, science-backed strategies for achieving health benefits in minutes a day, with routines adaptable to any schedule. Mosley’s personal success reversing diabetes adds credibility, while Peta Bee’s expertise ensures practical guidance.

What is high-intensity intermittent training (HIT) in *Fast Exercise*?

HIT involves short, maximal-effort bursts (e.g., 20-second sprints) followed by rest, repeated 2-3 times. Research cited in the book shows HIT improves insulin sensitivity, burns fat, and boosts cardiovascular health comparably to longer workouts.

What are examples of workouts in *Fast Exercise*?

Routines include stair sprints, stationary bike intervals, and bodyweight exercises like burpees, all designed for 10-20 minutes total. The authors emphasize simplicity—no equipment needed—and flexibility to fit into daily activities.

How does *Fast Exercise* help with weight loss?

Short, intense workouts trigger excess post-exercise oxygen consumption (EPOC), burning calories for hours post-workout. Combined with Mosley’s dietary advice (e.g., intermittent fasting), the method aids fat loss and metabolic health.

Is *Fast Exercise* safe for beginners?

Yes. The book provides modified versions of HIT workouts for all fitness levels and advises consulting a doctor if sedentary or with health conditions. Progression plans help users gradually increase intensity.

How does *Fast Exercise* compare to other short workouts (e.g., 7-minute routines)?

Mosley’s approach focuses on *intensity over duration*, with some workouts requiring just 60 seconds of effort. Unlike rigid plans, it encourages integrating micro-workouts into daily life (e.g., walking breaks).

快速锻炼

高强度训练的简单秘诀

迈克尔·莫斯利

3.83(1194 Reviews)

《快速锻炼》概述

莫斯利博士（Dr. Mosley）革命性的“快速健身”（Fast Exercise）凭借有科学依据的高强度间歇训练挑战了传统健身观念。它被《纽约时报》誉为“一场健康革命”，揭示了短短几分钟的有针对性锻炼如何能改变你的身体。如果你的完美健身方案实际上更短呢？

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第 1 章

The Revolution of Minimal Effort, Maximum Results

When Dr. Michael Mosley first heard that just a few minutes of intense exercise weekly could deliver the same benefits as hours of conventional workouts, he was deeply skeptical. As a medically trained journalist, he'd encountered plenty of too-good-to-be-true fitness claims. Yet after investigating high-intensity training (HIT) for a BBC documentary in 2011, he discovered something remarkable. This wasn't just another fitness fad-it was backed by serious science. The research showed that brief bursts of intense effort could dramatically improve insulin sensitivity, aerobic fitness, and body composition in a fraction of the time required by traditional exercise approaches. Since its publication, "FastExercise" has become a global phenomenon, endorsed by celebrities from Hugh Jackman to Adele, who reportedly incorporated HIT principles into her fitness transformation. The book has sold over a million copies worldwide and sparked a revolution in how we think about exercise efficiency-challenging decades of conventional wisdom about the relationship between workout duration and results.

第 2 章

The Surprising Truth About Exercise

We've been told for decades that getting fit requires hours of dedicated exercise-jogging for miles, swimming laps, or spending afternoons at the gym. This conventional wisdom has created a significant barrier for many people who simply can't find the time. But recent research has dramatically shifted our understanding of effective exercise. The benefits of regular physical activity are undeniable-it strengthens bones, improves brain function, reduces cancer risk, and boosts mood. Yet there's a vast gap between scientific knowledge and common practice. Despite knowing exercise adds about 2.2 years to life expectancy (roughly an extra hour of life for every 20 minutes of daily exercise), fewer than 20% of Europeans and North Americans meet recommended activity levels. Perhaps most surprising is the relationship between exercise and weight loss. Despite popular belief, low-intensity exercise rarely leads to significant weight reduction. Consider this sobering reality: to burn off a large chocolate muffin requires running six miles or walking for over three hours. To lose just one pound of fat through exercise alone, you'd need to run at least an hour daily for six days-or complete an entire marathon. This inefficiency occurs because our bodies compensate in multiple ways. When we exercise, we tend to eat more-sometimes just thinking about exercise makes us consume more calories. An Australian study of 45 overweight women who cycled moderately for 40 minutes three times weekly for fifteen weeks showed they actually gained an average pound of fat despite 30 hours of cycling. Set Point Theory explains why weight loss through exercise is so challenging. As you begin losing weight, your metabolic rate slows-partly because you're carrying less weight, but also because your body becomes more efficient at storing calories. While exercise helps slow this metabolic decline, it's not as effective as previously believed. The good news? Being fit matters more for health than being slim. A landmark study from the Cooper Institute followed 22,000 men for eight years and found that fit overweight men were no more likely to die than fit men of normal weight. Additionally, combining exercise with dietary changes produces better results than either approach alone. In a University of Illinois study, participants doing both alternate-day fasting and exercise lost 13.2 pounds over twelve weeks, compared to 6.5 pounds for fasting alone and just 2.2 pounds for exercise alone.

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第 3 章

The Evolution of High-Intensity Training

High-intensity training isn't actually a modern invention-it's more aligned with how humans naturally moved throughout evolutionary history. Our bodies evolved through thousands of generations of survival-focused activity, not structured "exercise." Studies of hunter-gatherers like the Hadza of Tanzania reveal they don't constantly jog tracking game as we might imagine. Instead, they conserve energy due to their low-calorie diet, with men walking about seven miles daily while hunting and women covering about four miles. This pattern reflects natural energy conservation strategies that helped our ancestors survive in resource-limited environments. The hunter-gatherer approach alternates low-intensity movement with short bursts of high-intensity activity, and strenuous days with rest days. This pattern-which keeps Hadza men at about 13% body fat compared to 21% for North American men-closely resembles modern HIT principles. Their activities include sprinting to chase prey, carrying heavy loads of meat back to camp, and climbing trees to gather honey. These natural movement patterns combine periods of intense exertion with longer periods of walking or rest, mirroring the basic structure of modern interval training. Structured high-intensity interval training was pioneered by Woldemar Gerschler, a demanding German coach from the early 20th century. His athletes would sprint distances of 100-400 meters until their heart rates reached 180 beats per minute, then rest until dropping to 120 before repeating. This method produced remarkable results-increasing heart volume by 20% in just three weeks and helping his athletes break world records. Gerschler's innovative approach laid the foundation for modern interval training methods and influenced coaches worldwide. In 1950s Britain, medical student Roger Bannister used a similar approach-ten one-minute sprints with 2-3 minute recovery periods-to become the first person to run a sub-four-minute mile. His training was revolutionary because it challenged the conventional wisdom that long, slow distance running was the only way to build endurance. Today, virtually all elite athletes incorporate some form of HIT into their training, recognizing its benefits for both explosive power and endurance. From sprinters to marathon runners, from cyclists to swimmers, HIT has become a cornerstone of athletic preparation. Martin Gibala, Professor of Exercise Science at McMaster University, has pioneered research on HIT for non-athletes. His groundbreaking 2005 study had volunteers perform sprint interval training-30-second all-out cycling bursts with 4-minute recovery periods. Despite completing only 15 minutes of hard exercise over two weeks, participants doubled their cycling endurance capacity. In a follow-up study, Gibala compared traditional endurance training (90-120 minutes of steady cycling) with HIT (2-3 minutes of intense exercise within 20-minute sessions). The HIT group achieved identical physiological improvements while spending just one-fifth the time exercising. These findings revolutionized our understanding of exercise efficiency and demonstrated that short, intense workouts could match or exceed the benefits of traditional endurance training. Subsequent studies have shown similar benefits for fat loss, insulin sensitivity, and cardiovascular health, making HIT an attractive option for time-pressed individuals seeking maximum fitness benefits.

第 4 章

The Science Behind FastExercise

What makes high-intensity training so remarkably effective? The secret lies in how it affects mitochondria-the body's cellular power plants that convert oxygen and glucose into energy packets called ATP. These tiny organelles evolved billions of years ago when certain microbes developed the ability to use oxygen as fuel. HIT stimulates greater production of more active mitochondria than standard exercise does, not just in skeletal muscles but also in heart muscle. Research shows that after just six weeks of HIT, participants demonstrated up to a 35% increase in mitochondrial density in their muscle tissue. This mitochondrial boost explains why HIT is so effective for fat loss. Mitochondria are powerful fat burners, and increasing their numbers creates a metabolic advantage that can last up to 72 hours after exercise. In an Australian study comparing moderate exercise (3 x 40 minutes weekly) with HIT (3 x 20 minutes of intermittent cycling), only the HIT group lost weight-an average of 2.5kg (5.5 pounds), with some losing up to 8kg (17.6 pounds). The fatter participants lost the most weight, particularly those with initial BMIs over 30. Importantly, the fat loss came not just from thighs but also from stomachs, accompanied by a 31% decrease in fasting insulin. Meanwhile, the moderate-exercise group, despite spending twice as long exercising, actually gained weight, averaging a 0.5kg increase. HIT burns fat through multiple mechanisms: First, it builds metabolically active muscle with more efficient mitochondria that burn fat during and after exercise, creating what's known as the "afterburn effect" or EPOC (Excess Post-exercise Oxygen Consumption). Second, it triggers a massive 1450% increase in catecholamines (adrenaline and noradrenaline) compared to steady exercise. These hormones target abdominal fat specifically because visceral fat contains more catecholamine receptors than subcutaneous fat. They also activate brown fat, which burns rather than stores energy. Studies show this hormonal response can remain elevated for up to 24 hours post-exercise. Unlike normal yellowish-white fat that stores calories, brown fat contains abundant mitochondria that burn calories and generate heat. Once thought to exist only in babies, recent PET-CT scans have found brown fat deposits in adults-particularly around the upper back, neck, collarbone and spine. A single ounce of brown fat can burn up to 500 calories daily when activated. High-intensity exercise activates this calorie-burning brown fat through noradrenaline release, potentially increasing daily energy expenditure by 15-20%. HIT also significantly suppresses appetite compared to low-intensity exercise through multiple pathways. In a 2011 study, obese adolescent boys burned exactly 330 calories through either high or low-intensity cycling on alternating days. Despite reporting no conscious difference in hunger levels, they ate 10% less at lunch and 20% less at dinner following high-intensity sessions. This appetite suppression appears linked to changes in hunger hormones, particularly ghrelin and peptide YY, with HIT showing more favorable responses than moderate exercise. Additionally, HIT has been shown to improve insulin sensitivity by up to 58% in just two weeks, further supporting long-term weight management.

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第 5 章

FastFitness: The Core Workouts

The FastFitness program requires just minutes per week yet delivers remarkable benefits for cardiovascular health and metabolic function. The key is intensity-pushing yourself to the point of discomfort, where you're puffing and your muscles are burning. Here are the core workouts, designed to be performed 2-3 times weekly: The Bare Minimum: This workout requires just 40 seconds of intense activity (2 x 20-second bursts) with recovery periods, totaling 4-6 minutes. Studies show even this minimal approach improves aerobic fitness significantly. The routine involves warming up, doing a 20-second all-out sprint, recovering for a couple minutes, then repeating once more. Michael does this on an exercise bike in under four minutes, while beginners should build up gradually from 10-second to 20-second bursts. The 30-Second Sprinter: This workout involves four 30-second all-out sprints with 3-4 minutes recovery between each, totaling 16 minutes including recovery. Based on Canadian "sprint interval training" studies, this approach requires longer recovery periods than 20-second sprints. Beginners should master 20-second sprints before attempting this more demanding regimen. The 60-Second Workout: This "gentler" HIT variant involves 60-second bursts at 90% effort (rather than all-out) alternated with 90-second recovery periods. The goal is reaching about 80% of maximum heart rate. Originally tested with ten repetitions, research now suggests five is effective for most people. The Fat Burner: This bike-specific workout alternates eight seconds of intense cycling against resistance with twelve seconds of recovery, repeated continuously. Based on Australian studies showing HIT's effectiveness for fat loss, beginners start with five minutes total and build up to 15-20 minutes as fitness improves. The Four-Minute Sprinter: Unlike interval training, this approach involves a single four-minute burst of continuous hard exercise. Norwegian research showed doing this three times weekly significantly improved health markers in sedentary middle-aged men, including aerobic capacity, fat loss, blood pressure, and blood sugar control. FastWalking: This approach alternates fast and slow walking periods, easily incorporated into daily routines. Studies show this approach is more effective than steady-pace walking for fat loss, fitness and glucose control. After warming up with normal-paced walking, increase to a challenging pace for 1-3 minutes, then recover with slower walking for at least three minutes before repeating. These workouts can be adapted for various activities-cycling, running, stair climbing, swimming, or using cross-trainers. The key is finding something that allows you to push yourself intensely for short periods.

第 6 章

FastStrength: Building Muscle in Minutes

FastStrength complements the cardiovascular benefits of FastFitness by building muscle tone and strength using only your body weight. This approach requires no special equipment and can be done anywhere-at home, in a hotel room, or even at the office. The method involves performing each exercise at maximum intensity for 30 seconds with just 10 seconds of rest between activities. This circuit training approach works different muscle groups in sequence to maximize efficiency-following push-ups (upper body) with abdominal crunches (core) or squats (legs). A typical FastStrength circuit includes exercises like: • Push-ups: Begin face down with palms beneath shoulders and feet on ground. Keeping body straight, raise yourself using your arms until elbows straighten, then lower until elbows form 90-degree angles. • Wall Sit: Position your back against a wall with feet shoulder-width apart, about two feet from the wall. Slide down until thighs are parallel to ground, ensuring knees remain above ankles. Maintain this position for 30 seconds. • Abdominal Crunches: Lie on your back with knees bent and feet flat, hands at sides or lightly touching head. Curl upper body without lifting lower back, keeping chin tucked toward chest. • Squats: Stand with feet shoulder-width apart, hands on opposite shoulders. Bend from hips keeping weight in heels and back straight, lowering until legs form 90-degree angles as if sitting in a chair. • Plank: Raise yourself onto forearms and toes forming a straight line from head to toe. Keep midsection level, squeeze buttocks, and hold as long as possible. • High-knee Running: Stand tall and jog in place or forward, driving through the balls of your feet to bring knees toward chest level. • Lunges: Stand straight with feet shoulder-width apart. Step forward with one leg, bending both knees to 90 degrees while keeping upper body straight. Return to starting position and repeat with opposite leg. For even more efficient workouts, try four-minute circuits like the "Fast ladder" (choose four exercises, perform ten repetitions of each, then nine, then eight, down to one) or "Fast max reps" (choose three body-weight exercises, do each ten times, completing as many rounds as possible in four minutes). Research from the American College of Sports Medicine confirms this approach delivers comprehensive fitness benefits in minimal time. Ideally performed 2-3 times weekly on non-consecutive days, FastStrength efficiently works all major muscle groups while maintaining elevated heart rate.

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第 7 章

Making FastExercise Work in Real Life

The greatest exercise program is useless if you can't maintain it. FastExercise addresses the primary barrier to regular physical activity-lack of time-but consistency still matters. Here are strategies to successfully integrate these workouts into your life: When to Exercise: While FastExercise can fit anywhere in your schedule, committing to regular times increases adherence. Research suggests late afternoon or early evening may optimize performance since body temperature peaks midday and remains elevated until about 7pm, potentially improving performance and reducing injury risk. However, morning exercise provides greater mood benefits. Ultimately, consistency matters most-exercising at the same time daily produces better results, likely because it becomes habitual. Overcoming Exercise Aversion: From an evolutionary perspective, there was no survival advantage to exercising beyond what was needed for survival, explaining why some people find exercise inherently unpleasant. Studies show exercise responses vary dramatically-some enjoy it while others experience mood plummets. FastExercise's brevity makes it more sustainable for exercise-averse individuals, as HIT studies confirm people prefer short intense bursts over prolonged moderate activity. Maintaining Motivation: Successful exercise routines require SMART goals: Specific (schedule exact days/times), Measurable (track progress via biomarkers or performance metrics), Attainable (set realistic objectives), Rewarding (celebrate achievements), and Time-specific (commit for at least three months). When you hit a plateau-where your body adapts to your training load and stops responding as effectively-don't necessarily increase workout duration. Instead, progress by increasing intensity or speed, completing more movements in the same time, or shortening recovery periods between bursts. To overcome your inner couch potato: 1) Write and display a specific exercise pledge; 2) Publicly announce your goals; 3) Find exercise partners; 4) Join or create a group; 5) Anticipate and address potential excuses; 6) Create visual cues like leaving running shoes by the door; 7) Recognize and counter negative self-talk; 8) Regularly review and adjust your approach based on experience. Regarding nutrition, the sports nutrition industry is largely unnecessary for FastExercise. Don't exercise immediately after eating to avoid nausea. Skip pre-workout carb loading-unless exercising heavily for over an hour, you have sufficient stored energy. For hydration, water works fine-expensive sports drinks are mostly sugar.

第 8 章

Beyond FastExercise: Fighting the Sedentary Crisis

Even with regular FastExercise sessions, we must dramatically increase everyday activity for optimal health. Modern technology and conveniences have made us dangerously sedentary-the average waist size of middle-aged women has expanded from 28 to 34 inches since the 1950s. This increase isn't just about diet; labor-saving devices have transformed daily life, reducing calorie-burning housework from 1,000 calories daily to a mere fraction. Activities like hand-washing clothes, scrubbing floors, and walking to markets have been replaced by machines and delivery services. Many of us spend an alarming 12 hours daily sitting-combined with 8 hours sleeping, that's 20 hours of sedentary behavior. This represents a fundamental shift in human movement patterns that our bodies haven't evolved to handle. Professor Jim Levine of the Mayo Clinic, a pioneer in studying NEAT (Non-Exercise Activity Thermogenesis), has documented how these calories burned through everyday movement significantly impact our health. His research shows that prolonged sitting dramatically reduces lipoprotein lipase activity, raising blood fats and increasing heart disease risk by up to 40%. Additionally, extended periods of sitting cause dangerous blood sugar spikes, creating perfect conditions for type 2 diabetes and metabolic syndrome. The Mayo Clinic has developed an extensive list of practical interventions to increase daily movement: stand while on the phone or watching television; invest in a standing desk or treadmill desk; use backless chairs or exercise balls to engage core muscles throughout the day; walk to colleagues instead of emailing; conduct walking meetings (shown to increase creativity by 60%); drink water regularly to prompt bathroom breaks; replace coffee breaks with short walks; exit public transport one stop early; park in the furthest spot from entrances; keep resistance bands near your desk for micro-workouts; organize lunchtime walking groups; and maintain activity even when traveling through airport walking and hotel room exercises. Walking remains the simplest and most effective way to increase activity. Hunter-gatherer societies, our closest model to natural human movement patterns, typically walk 6-10 kilometers (3.7-6.2 miles) daily-approximately 10,000 steps, which has become our recommended daily activity level. Modern research supports this target: a Harris poll found overweight Americans walked nearly 2,000 fewer steps daily than their slimmer counterparts. In a revealing experiment with Dr. Jason Gill, Michael discovered that walking for just 30 minutes after a fatty meal reduced circulating blood fats by 33% compared to remaining sedentary, demonstrating the immediate benefits of movement. The cumulative effect of increased daily movement is substantial. By simply standing more, pacing during phone calls, taking stairs instead of elevators, and walking when possible, you can burn an extra 350 calories daily-equivalent to running 1,000 miles over a year. Research has shown that naturally thin people stand approximately two hours longer daily than heavier individuals, which translates to an additional 130,000 calories burned annually - the equivalent of running 38 marathons. These small movement changes, when sustained over time, create significant health improvements and weight management benefits.

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第 9 章

Measuring Your Progress

Tracking improvements helps maintain motivation and confirms you're getting healthier. Here are key metrics to monitor: Resting Heart Rate: According to a Lancet study of 11,000 people, rates above 70 beats per minute increase risk of heart attack and hospitalization. Regular exercise lowers this rate, with top athletes reaching as low as 40 beats per minute. To measure your resting pulse, place two fingers on your wrist below the thumb when sitting relaxed, preferably first thing in the morning. VO2 Max: This crucial predictor of future health measures aerobic fitness. While laboratory testing is most accurate, you can estimate it using formulas based on heart rate. Charts are provided to evaluate your score by age and gender, with most people experiencing improvements after six weeks of FastExercise. Glucose Tolerance: This measures metabolic fitness-how efficiently your body processes glucose. Elevated blood sugar damages arteries and nerves through glycation, potentially leading to serious health problems. The home version requires fasting overnight, then consuming 75g of glucose (or equivalent carbohydrates), and measuring blood glucose levels at one and two hours. Six weeks of FastExercise should improve glucose tolerance. Muscular Fitness: Push-ups provide a simple measure of strength gains from FastStrength exercises. Charts categorize results from "very poor" to "superior," with expected performance decreasing with age. Michael started in the "good" range with 20 push-ups per minute, but after a couple months of high-intensity circuit training, he reached 40 per minute-putting him in the "superior" category. Waist-to-Height Ratio: This may be a better health predictor than BMI. A study of over 45,000 women followed for sixteen years found this measurement best predicted heart disease risk. Visceral fat-which collects inside the abdomen around organs-is far more dangerous than subcutaneous fat on limbs and buttocks. The simplest test? Your waist should measure less than half your height, measured honestly around your belly button. FastExercise offers a revolutionary approach to fitness-one that acknowledges our evolutionary heritage, respects modern time constraints, and delivers remarkable results in minutes rather than hours. By combining brief, intense workouts with increased daily movement, we can reverse the damage of our sedentary culture and reclaim our natural vitality.

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《快速锻炼》核心主题

high-intensity interval training
exercise efficiency
metabolic health
insulin sensitivity
evolutionary fitness

《快速锻炼》经典语录

Low-intensity exercise rarely leads to significant weight reduction.
HIT has become a cornerstone of athletic preparation.

《快速锻炼》主要人物

Dr. Michael MosleyAuthor and medically trained journalist
Woldemar GerschlerGerman coach and pioneer of interval training
Roger BannisterMedical student who ran the first sub-4-minute mile

关于作者

迈克尔·莫斯利（Michael Mosley）是英国科学节目主持人、记者，也是畅销书《迈克尔·莫斯利的快速锻炼》（Fast-Exercise by Michael Mosley）的作者。他凭借基于证据的饮食和体育活动方法，彻底改变了健康与健身领域的写作。

莫斯利曾是在伦敦皇家自由医院接受培训的医生，后转型进入媒体行业，通过 BBC 的纪录片如《相信我，我是医生》（Trust Me, I’m a Doctor）以及全球流行的《进食、断食与长寿》（Eat, Fast, Live Longer）而家喻户晓。他的作品涵盖了间歇性断食、代谢健康和高效锻炼等主题，这些主题均植根于他的临床经验和个人实验。

莫斯利联合创立了“The Fast 800”在线计划，这是一个极具变革性的减重平台，提供 600 多种食谱和锻炼方案；他还主持了 BBC Sounds 排名第一的播客节目《就一件事》（Just One Thing）。他的早期作品，包括国际畅销书《快速 800》（The Fast 800），使他成为科普传播领域的领军人物。他的著作在全球范围内销量超过 200 万册，并被翻译成 30 多种语言。

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@Matt, YC alum

108

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@Erin, Investment Banking Associate , NYC

254

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@djmikemoore

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4.5K

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483

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@Moemenn

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@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

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开启你的学习之旅，就是现在

第 3 章

快速锻炼

概述《快速锻炼》概述

一本书，多种聆听方式。

The Revolution of Minimal Effort, Maximum Results

The Surprising Truth About Exercise

边听边看，每个词都清晰呈现

The Evolution of High-Intensity Training

The Science Behind FastExercise

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FastFitness: The Core Workouts

FastStrength: Building Muscle in Minutes

边听边看，每个词都清晰呈现

Making FastExercise Work in Real Life

Beyond FastExercise: Fighting the Sedentary Crisis

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Measuring Your Progress

你已读完 《快速锻炼》

《快速锻炼》核心主题

《快速锻炼》经典语录

《快速锻炼》主要人物

关于作者

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关于本书的常见问题

What is Fast Exercise by Michael Mosley about?

Who should read Fast Exercise?

Is Fast Exercise worth reading?

What is high-intensity intermittent training (HIT) in Fast Exercise?

发现更多

1,000,000+ curious minds.

1,000,000+ curious minds.

一本书，多种聆听方式。

The Revolution of Minimal Effort, Maximum Results

The Surprising Truth About Exercise

边听边看，每个词都清晰呈现

The Evolution of High-Intensity Training

The Science Behind FastExercise

从 《快速锻炼》中收获更多

FastFitness: The Core Workouts

FastStrength: Building Muscle in Minutes

边听边看，每个词都清晰呈现

Making FastExercise Work in Real Life

Beyond FastExercise: Fighting the Sedentary Crisis

从 《快速锻炼》中收获更多

Measuring Your Progress

你已读完 《快速锻炼》

用户还喜欢

发现更多

《快速锻炼》概述

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从《快速锻炼》中收获更多

你已读完《快速锻炼》

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