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How to exercise at your desk
Work your chest with desk or wall push-ups.
An easy exercise that you can do at your desk are push-ups. Using either the wall or your desk (depending on your fitness level), you can perform this exercise to help strengthen your chest, shoulders, and arms.
If you don't have a lot of upper body strength or are just starting out, try a wall push-up first instead of the desk push-up. Begin by standing about 1-2 feet away from the wall.