The importance of being healthy is not unknown to us, and to be physically and mentally fit, one not only has to eat right but also to exercise. But what if you are too busy with work that you barely have time to go to the gym?

Here are some simple exercises you can do right in your office from Lifehack.org.

• Take the stairs – Taking the stairs will serve as your first exercise at your workplace. If your office is on the second or third floor, you may just take the stairs. If you are working, let’s say, on the eighth floor, you may use the elevator up to the sixth floor. From there, just take the stairs until your reach your office. For a harder workout, take two steps at a time.

• Walk – If you have some papers or other things that need to be delivered somewhere in the building, unless you are really busy, walk and deliver them yourself. Make sure it’s brisk walking.

• Leg stretch – While sitting, lift your right leg and extend it until it is aligned with your hip. Hold it for a few seconds, and then relax. Do this again with your left leg.

• Shadow box –Stand in a spacious area and take a couple of jabs in the air. Make sure no one is going to be hit.

• Shoulder raises – Raise your right shoulder as high as you can. Hold it for 5 seconds, and then relax. Do this again with your left shoulder.

• Wrist stretch – Stretch your right arm in front of your, palms facing up. With your other hand, lightly pull the fingers downward to stretch your forearm. Do this procedure with your left hand.

• Desk pushups – Lean on your desk and slowly push your body off of it.

• Back twist – Sit up straight and put your right arm behind your right hip. Twist to the right and hold. Twist back to your original position. Put your left hand behind your left hip, then twist to the left and hold. Twist back to your original position.

• Curls – Sitting properly, cross your arms over your chest. Slowly curl your shoulders to your hips. Hold it for a few seconds. Do it several times

• Chair dips –Move your hips in front of your chair, and then bend your elbows and lower your body. Push yourself up.

Read here for more exercises you can do at work.