Standing, bring your dumbbell to shoulder level and then lift your weight above your head (overhead press) making sure that your arm is completely straight.

Bring the weight down to shoulder level and then to starting position.

Keep your torso straight.

Repeat as prescribed.

Will help:

Biceps Brachial injuries

Long head of Biceps injuries

Tennis Elbow

Elbow injuries

Thoracic rotation

Lower back pain