“Yes that the back” zamorachivatsya “- still it is not visible!” – this can be heard from those visitors “simulator”, which do not focus on success on the competition podium, often. And really: the athletic appearance is determined, first of all, shoulders, hands, chest and press. And only in the second – legs and back.
The posterior part of the deltoid muscle is visible only from the back. So: and it is not worth “bothering” with it, if you are not going to go on stage?
By no means: the rear delta – exactly as much as the middle delta – is responsible for the roundness of the shoulders. And if it lags behind in development, the coveted “balls” on your shoulders you can not see.