(Primary muscles: posterior deltoids)

Sit in the pec deck machine facing the padded back support. Extend your arms to the side, grasping the handles. Bring your arms to the rear keeping the elbows and wrists in line with the shoulders. Once your arms are just past your shoulders, hold this peak contracted position before slowly returning back to the starting position.

Shaun Karp is a certified personal trainer in Vancouver. For further information call his office at 604-420-7800.