Studying for finals is about to begin, and you’re likely to spend hours in the library. If you need a little break and want to burn a few calories along the way, check out these easy workouts to do at the library:

• Bicep curls with a water bottle. Sounds easy enough, right? But once you get going and get around 20 reps in, you’ll start to feel the burn. Don’t take shortcuts – make sure the bottle is completely full. (If you aren’t familiar with bicep curls, simply place the bottle in one hand with your palm facing away from your body. Wrap your hand around the bottle and bend elbow upward all the way to your shoulder while keeping your back straight and your arm glued to your side. The only movement should be in the lower part of your arm.)
• Ab twists: Sit up tall and grip a water bottle in both hands. Gentle twist to one side until you feel a stretch in your abdomen.  Return to center and repeat on the other side. Aim for a set of ten per side.
• Take a break and hit the stairs. Ellis is loaded with secret staircases, so just pick one and get to climbing. It may not be equivalent to a good ol’ two-mile jog, but it’s enough cardio to get your heart pumping.
• As you print your study guides, try doing some one legged squats. A simple 30-second set will make you feel the burn.
• If you’re looking for something slightly less conspicuous, try buttox clenches. While sitting down, squeeze your booty together for 15 seconds and then relax. Repeat as many times as you can.

If you don’t mind people staring, these are great exercises to give you a boost of endorphins to continue your intense study session – and will help you look great in a swimsuit once finals are over!