Hypertrophyis the increase in muscle size.
It happens when you challenge your muscles with strength training or weightlifting.
This causes small muscle damage, which leads to growth during recovery.

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To increase hypertrophy, doresistance exerciseslike lifting weights.
Eating enoughproteinhelps muscles recover and grow.
You also need to get enough rest to allow your muscles to repair.
Over time, this process makes your muscles bigger and stronger.
What Does ‘Hypertrophy’ Mean?
It doesn’t create new muscle fibers but makes the existing ones bigger.
There are three main types of hypertrophy:
People often think of hypertrophy in terms of athletic performance.
Hypertrophy is generally a good thing, as it means the muscles are growing and getting stronger from exercise.
In these cases, hypertrophy can cause organ dysfunction, injuries, or long-term damage.
What Triggers Hypertrophy?
Progressive overload:To continue growing, muscles must be challenged.
Regularly increasing the resistance or intensity of exercises forces muscles to adapt by growing larger and stronger.
Slow, controlled movements can maximize this effect by keeping muscles under tension for longer periods.
Muscle damage:Intense strength training causes microtears in muscles.
These microtears trigger muscle repair processes that lead to muscle growth.
While soreness isn’t always necessary for hypertrophy, this repair process is essential for building muscle size.
Hormonal response:Exercise helps your body release important hormones liketestosterone, growth hormone, and IGF-1.
These hormones are key for repairing muscles, making them grow, and helping them get stronger.
Proper recovery and nutrition:Muscle growth happens during recovery, not during the workout itself.
Rest days between intense sessions allow muscles to repair and grow.
A diet rich in protein, carbohydrates, andhealthy fatssupports this process.
This helps the heart handle physical activity better by increasing its size and strength.
Is a 30-Minute Workout Enough to Build Muscle?
Do it’s crucial that you Lift Heavy?
No, you dont need to lift heavy weights for hypertrophy.
Muscle hypertrophy is best achieved through a slow, steady process.
Large muscle tears from intense workouts may cause rapid growth but increase the risk of injury and overtraining.
Smaller, controlled microtears from regular strength training promote safer, more sustainable growth.
Optimizing Reps
The number of reps and rest periods you should do depends on your goals.
This range of weight and reps is thought to be most effective for hypertrophy.
How Long Should You Rest Between Reps?
Rest intervals of 60 to 120 seconds may be best for building muscle strength and size, research shows.
Summary
Muscle hypertrophy is the growth of individual muscle cells.
This causes your muscles to grow bigger in response to exercise, especially high-intensity weight training.
Occasionally, hypertrophy can be harmful, especially in diseases of the cardiac muscle tissue.
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