When you stick your chest out while pressing, you’re taking primary stimulation away from the shoulders and transferring it to the chest. During this exercise you should always have your chest in a state of relaxation.
Head and neck
Remember to keep your head and neck relaxed throughout this entire exercise without ever turning your head.
:: Lateral raise ::
Strength and form
The lateral raise works out your shoulders and upper back. It will tighten and shape them.
Exercise your shoulders
Your palms should face down while you raise the dumbbells. This will guarantee that your shoulders, not your biceps, are exercising.