The first choice because with rounded shoulders, your body is going to be tensed and won’t allow you to move as fast. If you put your hands on your chest, yes, your feeling your heart but you just don’t put your hands on your chest when running.
Eggs, avocado toast, and oatmeal.
I believe it's First Aid.
It can be changes and improved to peoples liking or just in a natural way. I hope that kinda helped
