Barbell Shoulder Press

Preparation
Sit in an upright bench so that your back is supported, then grasp the bar so that the weight is in the heel of your hand, palms facing away from you.
Execution
Press bar overhead until elbows are straight. Pause, then slowly lower your arms to a 90 degree bend, elbows staying just slightly in front of your body.
Equipment notes
Barbell, weighted plates, safety clips
Primary body parts
Shoulders
Secondary body parts
Arms
Muscle groups
Anterior deltoid, Lateral deltoid, Supraspinatus, Triceps brachii, Middle and lower trapezius,
TIP: Keep your back against the back pad of the chair. Keep your arms slightly in front of you so that your can just see your elbows with your peripheral vision.

Smith Shoulder Press
Use a shoulder press machine if your gym does not have a Smith machine.
Shoulder Press
This is a great exercise for building strength where overhead movement is involved, such as putting a box in your attic. It will stretch and strengthen your shoulders simultaneously.
Rotating Shoulder Press
This movement adds a slight rotation to work your shoulders from a different angle.
Military Press
If you are lifting a heavier-than-normal weight, use an upright chair to ensure good posture throughout the exercise.
Barbell Military Press
Use an upright chair in order to ensure good posture if you are lifting a challenging weight.