Generally speaking, the deltoids muscle is of small muscle group. It is suggested that you should not use too heavy dumbbells for building shoulders. Even you pick too heavy dumbbells for your shoulder workouts; you could not exercise the deltoids efficiently, that is because you have to shake your body to complete the dumbbell exercise with too heavy dumbbells. There are some other kinds of muscles activated to help your deltoid to raise the dumbbells. So, your shoulders should not feel so much pain just like your chest or arm after dumbbell exercise with dumbbells of great weight. If your shoulders feel much pain after dumbbell exercise, there are two common reasons, one is that your shoulder is too weak and the other one is that you complete the dumbbell exercise in wrong way. Continue reading »