The major muscle in your chest is the appropriately-named pectoralis major—which is ... As we’ve seen, your chest muscles help with pushing actions, and anything you do with your arms in ...

But, you can't target all of your chest muscles if you don't know what they are, can you? To set you on the path to bigger pecs, here's a quick guide to your major chest muscles. Before we let you ...

"This is due to postural adaptations like shortening of the pectoralis major and minor muscle, internal rotation of the shoulders and an increased thoracic spinal curve called kyphosis." ...