If you sit for long periods of time at work, it can be a stressful on your eyes and muscles. Take a few minutes every hour or two to massage and stretch your eyes, arms, and legs. You can massage the collar bone and belly-button to relax your muscles and keep your brain alert. Stay hydrated with lots of water to keep yourself energized and to counteract salt in foods you consume. These simple exercises will help you be your best while at work and prevent aches and pains.