We’ve over 600 muscles within our physiques which help bind us together, hold us up, which help us move. Parts of your muscles likewise need your constant attention, because how you treat them every day determines whether or not they will wither or grow. Jeffrey Siegel illustrates the way a good mixture of sleep, diet and workout keep the muscles as big and powerful as you possibly can.
Lesson by Jeffrey Siegel, animation by Brett Underhill.
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