This is an exercise for shoulder, chest and triceps strengthening.
1.Sitting on a bench with a barbell rack, grasp the barbell with a grip 3 to 4 inches wider than your shoulders.
2.Lift the bar off the rack and lower it to just at the height of your shoulders.
3.While maintaining good posture, straighten your arms and raise the bar up above your head.
4.Pause for a moment and then in a controlled movement lower the bar to the starting position.
Do not perform this exercise if you have shoulder, elbow or wrist pain.
Secondary: chest, triceps