This is a great exercise for strengthening and defining the shoulders.  Muscles Involved: Primary shoulders with secondary triceps.

Body Alignment:
o  Stand with your feet shoulder width apart.
o  Knees are slightly bent.
o  Back is in a neutral position, not arched.
o  Hold the barbell with a grip slightly wider than shoulder width apart, approximately above your collarbone.
o  Brace the transverse abdominals.

Movement:
o  Press the barbell up until your arms are fully extended over your head.
o  Pause at the top of the movement.
o  Lower the weight slowly to the starting position.
o  Repeat.

Training Tip:

Do not compromise the integrity of this exercise by arching your back as you press the weight overhead.