View full lesson: https://ed.ted.com/lessons/what-makes-muscles-grow-jeffrey-siegel

We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow. Jeffrey Siegel illustrates how a good mix of sleep, nutrition and exercise keep your muscles as big and strong as possible.

Lesson by Jeffrey Siegel, animation by Brett Underhill.

91 COMMENTS

  1. I am a very skinny boy and I want grow my muscles recently my thyroid is be normal before that I am infected by hypothyroid and now I am very well from this disease still I am very skinny and muscle are same as before when my thyroid isn't normal and after my thyroid is normal I Don't eat more even when I wanted my hunger is very low and some time I just ate 1 meal in a day plz help me for repair my stomach and making muscles

  2. The main issue with becoming and staying fit is will power.
    In America at least, there is always an abundance of junk food, sweets and treats, and various liquids that fizzle. It takes immense will power and dedication to turn down such an enticing offer of sugary goodness. No matter how many crunches, sit ups, pull ups, squats, push ups, or pounds upon a dumbbell you lift, you cannot burn off that 3rd bag of barbecue chips.
    The really important part is to make sure you have a balanced diet. Of course everyone knows that, but what does it mean? It mean plan your meals to have just the right amount of nutrients for you. To stay full without the calories, I recommend high fiber foods and salad. You also should create a schedule for all of your meals, workouts, etc. Follow the schedule strictly.

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