hands up the wall until they’re above the level of your head. Hold arms overhead for 10 to 30 seconds, then slowly move them back down. Repeat three to five times.
Whenever you stretch, keep these pointers in mind: Never bounce. This can cause muscles to tighten and lead to injury. Ease into every stretch with slow, steady movement. And stretch only when your body is warm — after a workout is perfect, but to do these at work, just take a three-minute walk first.
More information
The American Council on Exercise has more stretching exercises that can be done anywhere, including at your desk.