Wrist Curl Muscle Anatomy

Hold a barbell with both hands and your palms facing up; hands spaced about shoulder width.
Place your feet flat on the floor, at a distance that is slightly wider than shoulder width apart.
Lean forward and place your forearms on top of your upper thighs with your palms up. .
Tip: Make sure that the front of the wrists lay on top of your knees. This will be your starting position.
Lower the bar as far as possible while inhaling and keeping a tight grip.
Now curl bar up as high as possible while flexing the forearms and exhaling. Hold the contraction at the top for a second and Tip: Only the wrist should move.
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Variations: This exercise can also be done with one or two dumbbells. Alternatively an EZ bar can also be used.