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According to my personal trainer, when working out muscles are torn down, in a manner of speaking, and when the body repairs them, it repairs them back stronger. Kind of like how a callous forms on your skin.

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A good diet is also key in helping to repair and promote muscle growth.


AnswerMuscle growth happens when you push the muscle you are exercising to the brink and just beyond it's present capacity. Then, while you sleep, the muscle fibers signal the brain that "This part of the body needs more muscle cells!" and the brain gets right on it. This also why intensity is always the most important part of any resistance training program. And you must incorporate proper durations of recovery (meaning, zero weight training) in between workouts for new muscle to properly build up. Otherwise your body will burn out and your muscles decrease.
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14y ago
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15y ago

Your muscles get larger right after working out because of the blood pump. While working out your muscles receive extra blood from the body to help lift the weights. This blood stays in the area of concentration for about 24 hours after the lifting. Slowly leaving the muscle until returning to the original size.

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14y ago

Usually muscles develop or grow in the 24-48 hours post workout if you supply it with sufficient protein to help it grow and recuperate. Also, in the next 24 hours after the workout you must not work out the same muscle group to ensure that you do not overtrain the muscle group.

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13y ago

When you lift weights you break muscle fibers. Protein rebuilds the damage to the muscle fiber that was broken. The body then builds some extra muscle fiber to insure it does not break again under the stress you put it under.

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14y ago

working out with weights causes trauma to your muscles...so unless you eat right to give them the essential to recover and grow bigger from what you did to them, you cant "build" them....

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13y ago

It takes a few days, beginning immediately. This is why you shouldn't train the same muscles for a few days. It takes a little less though for slow-twitch fibers, like those of your abs.

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14y ago

The ideal length of time is 3 days. 2 days is the minimum time for recuperation.

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12y ago

By breaking down the muscle fibers and creating new ones.

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13y ago

Why do muscles contract while exercising

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Q: How does muscle build after a workout?
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Related questions

What are the best diet and exercise plans to build muscle?

Any diet that you go on to gain muscle should include a lot of protein. Protein will help build and repair muscles after you work out. P90x is a good workout plan to build muscle.


What can you get out of an eliptical workout if you am 100 pounds overweight?

An elliptical workout would be great for toning or someone looking to lose an amount of weight. An elliptical workout is an complete workout, you will build muscle along with loosing weight or toning.


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The best chest workout routine for guys to do to get rid of moobs is to work on your pecs. You can build muscle to get rid of the fat that is your moobs.


Does egg white make muscle?

The answer is a Yes and a No. Yes - if you work out and do exercises that can help you build muscle No - if you do not work out Eggs are rich in protein and supplying protein to your body after a workout helps you build muscles.


Why is it necessary to frequently update workout program?

If you continually repeat the same workout, you muscles will build a muscle memory. Meaning they will become so adapted to the workout that it would be almost useless to continue. By switching up and updating you workout you challenge your muscles more thus creating a more efficient, muscle building and calorie burning workout.


What are some good daily workout routines?

P90x is all I can say. They have an amazing daily workout routine that changes it up each day creating something they call muscle confusion that makes you build muscle fast.


Does a gymnastics workout help you lose weight?

Yes, gymnastics is about flexibility and muscle.. ergo, when u build muscle (flexibility does so) u burn fat.


What is a good intense workout plan?

P90X provides an intense workout via DVDs that you workout along with. If you don't want to invest in a program such as that, you can try doing sprints, push-ups, and calisthenics to build muscle.


Can you build muscle while working out at night?

You can build muscle while working out at any time; however, you may feel more energetic earlier in the day, which may give you the ability to put more effort into your workout, building more muscle.


Is it true that you build more muscle by tearing your old muscle?

I don't think so. You build more muscle by working out at a gym or at home.


How effective is Pace workout program compared to others?

The Pace workout operates on the principle of doing simple movements and slowly building up the number of repititions to build lean muscle. This is a highly effective workout program.


Why is it necessary to frequently update a work out plan?

If you continually repeat the same workout, you muscles will build a muscle memory. Meaning they will become so adapted to the workout that it would be almost useless to continue. By switching up and updating you workout you challenge your muscles more thus creating a more efficient, muscle building and calorie burning workout.