There are three parts that make up your deltoids and ideally, you want to hit all three, if you want a well developed muscle. Shoulder presses and lateral raises, are two of the best exercises you can do. _Website not available. Sign in: https://www.twine.net/signup_…There are three parts that make up your deltoids and ideally, you want to hit all three, if you want a well developed muscle. Shoulder presses and lateral raises, are two of the best exercises you can do. _Website not available. Sign in: https://www.twine.net/signup_WWWW…