Today we have a special guest post from Louis DeNicola, from Fleetly. Louis enjoyed our post about using technology to help attain your fitness goals and wanted to contribute to our blog. Read his bio at the bottom.

Okay, I know the headline looks like something you’d see on a magazine cover at the checkout line but this actually is one of my favorite exercises, the plank. I was inspired to take a second look at the plank by my friend who is a personal trainer and model. He said he does a 10-minute plank every day in order stay in shape and keep his stomach looking good. So I tried it out and it’s hard, I maxed out at about 2 minutes. However, just as with any exercise, practice makes perfect (although I’m still nowhere near the 10 minute mark).
As the title says this will strengthen your core but I’m not saying this alone will give you a visible six pack. It won’t. In order to do that you need to exercise and control your diet until
you lose enough body fat. For men you need to get fat down to about 10%, for women that number is more like 18-20%. If you have a layer of fat around your core, building up the muscles underneath may even make you look bigger!
Back to the plank. I know it can get boring just lying there, which is why I’ll go over some fun variations, but the concentration and muscles required to keep your body raised are incredible. I’ll be including links to high quality video examples hosted by Fleetly, a website and iPhone app platform for discovering and tracking exercise that I work for.
Bonus: If you saw this week’s episode of The Office you know that there can even be some funny ways to pull off a good prank while planking.

Plank: First, position yourself stomach down on the floor with only your toes and forearms on the ground and elbows directly under your shoulders. Keep your abs tight by pulling your bellybutton into your spine, and keep your body in a straight line while you hold the position for as long as you can.
Tips – Use a mirror to keep yourself in check, and make the simple plank harder by placing your elbows in front of your shoulders instead of directly under them.

Opposite Arm-Leg plank: Let’s make it a little harder now by adding some movement. Start in the standard plank position and keeping your hips in line lift your right leg a couple of inches in the air and your left arm straight out so that it is in line with the rest of your body. Hold this position for a few seconds than go back to the starting point. Repeat with the opposite arm/leg.
Tip – Don’t go to fast with this one or you can get rug burns on your elbows. It hurts.
Knee-To-Elbow Plank: More movement means even harder. Start from a plank and lift your right leg and left arm. Bring your lifted knee to your lifted elbow underneath your body and then return them to their extended positions. Perform as many reps as you can and then switch to the other arm/leg.
Tip – Keep your butt down!
Okay that went from “easy” to much harder. Now let’s change it up a bit and use the same type of activity to work on the oblique muscles.

Side Plank: Lie on your right side with your right arm bent and forearm on the ground. Push with your right forearm and keep your body straight as you lift yourself into the air to create a triangle. The only thing touching the ground should be your right forearm and your right foot. Hold for as long as possible before you switch to the other side.
Tip – Once again a mirror is your best friend with this one.
Side Plank Reps: Get yourself back into the side plank position described above. Now lower your hips until they are an inch off the ground, and then bring them back in line with your body. Repeat and then switch sides.
Tip – Don’t forget to breathe
If you still think the plank isn’t hard enough, or can’t be a little fun, try this final move out. It’s great because it is a compound movement that works out your chest, triceps, and to an extent, your deltoids at the same time.

Push-up to Side Plank: Start by getting yourself in position to do a push-up, feet on the ground and arms extended under your shoulders. Keep your back straight just like in a plank. Now begin by doing a push-up, slowly lowering your body towards the ground and then pushing it away. As you are pushing yourself up rotate your body and take your left hand off the ground. Supporting yourself with your planted right arm, fully extend your left arm into the air so that your stomach is facing left and only your right hand and foot are on the ground. Lower yourself down, do another push-up, and repeat the same exercise but lift your right arm up this time.
Tip – Do this exercise with free weights in your hands for an added challenge.
There it is, my favorite exercise and a few variations to keep it interesting and challenging. Not only can you do these anywhere they don’t require expensive equipment or a lot of time.
Louis DeNicola is a Business Development intern at Fleetly, the first fitness app available on the web and iPhone that analyzes your goals, body type and workout history, along with the combined results of all users, to benchmark your changing Fitness Level. A University of California at Santa Cruz alumni, Louis moved to New York to experience living in a city. After being introduced to the tech startup scene in NYC he has become interested in everything entrepreneurial and dedicates his time to learning what it takes to create and scale successful companies. In addition to finding potential partners for Fleetly, Louis helps support the online community and regularly contributes to the Fleetly blog. He also maintains his personal blog where he chronicles his reading adventures.