For all you couch potatoes, this week, amNewYork's Personal Trainer feature focused on exercises you can do in a chair.

"Performing exercises while sitting down allows you to focus on the muscles being trained, so you'll challenge your shoulders and back more intensely," says Gerald Moore, a personal trainer at the Sports Center at Chelsea Piers.

He suggested three moves you can use: calf raises, the chest fly and arm curls. Check out the full article to get instruction on how to complete them.

And if you need more tips, check out our archive of the Personal Trainer feature.

-- Amanda Barrett, amNY.com