Your chest muscles are important for many things (other than filling out a t-shirt). They are responsible for flexing your upper arm when you swim, moving your arm inwards when you are riding a bike, rotating your arm bone toward your body while you walk or run, and also for simply breathing deeply. Read the transcript at https://www.quickanddirtytips.com/health-fitness/exercise/want-a-bigger-chest-3-key-tips-and-a-workout Check out all the Quick and Dirty Tips shows: www.quickanddirtytips.com/podcasts FOLLOW GET-FIT GUY Facebook: https://www.facebook.com/GetFitGuy Twitter: https://twitter.com/GetFitGuy

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