12 minute plank – cardio style interval workout



You all know we adore our planks. And love making fun interval style workouts with them. We love doing planks almost daily to help ensure even ab development and planks help with having our abs display muscle tone. Planks are great for adding in some definition to your stomach without adding bulk.

Today we have another 12 minute interval plank cardio workout video.

Make sure to see our first 12 minute plank workout video too.


The workout is made up of two 6 minute intervals.

New to plank: make sure to watch some of our other plank workouts videos to get other ideas of where to start.



Need to set your Gymboss Interval Timer for 6 rounds of intervals of 30 seconds and 30 seconds.

First 6 rounds you will be doing low plank and high knees.  Back and forth for the 6 minutes.

Second 6 rounds you will be doing low plank and side lunge jumps. Back and forth for the 6 minutes.

12-minute-plank-cardio-full-body-workout-purelytwinsplank-cardio-12minute (click for printable PDF)

Thanks for joining us for our purely fitness workout.

This quick workout is great doing on it’s own or adding it to another workout of yours. Remember to go at your own pace and but push yourself.

The more you push yourself and get out of your comfort zone the more changes you will see in your body!

You can put some music on while you do this workout to help get you fired up :)


Do you plank?  (make sure to grab our plank button on our sidebar)

Join us!

Get strong core detailed abs with our #plankworkouts #purelytwins!

Remember to tag us via facebook, twitter, or instagram to let us know you did it!

And one question we get asked often is can you do planks everyday? 

Short version: YES! But you don’t have to.

Long version: Planks don’t damage the muscle as much as other ab exercises so making it okay to do everyday. Planks train your abs to be in a controlled state when your spine is in a neutral position. So you can do planks everyday if you want since it doesn’t tear down  your muscles.

Happy Planking!



PS. If you want to  more great real time full length workouts. Workouts that won’t take hours out of your busy day yet will give you amazing results. Join our online training club to start your fitness journey.


  1. Whitney says

    Did this new workout today! I LOVE planking, thanks to you guys! I am also really enjoying your detailed notes on healing your gut. You guys are very courageous.

    • purelytwins says

      awesome Whitney!! so happy to hear you liked the workout! and thanks for the support about our health journey!

  2. sorayya says

    You guys rock! I’ve been doing your plank workouts for a few months now and have been finding them easier and easier (but NOT easy)! Progress!

    I am wondering…you both have such defined abs and arm muscles…is your primary workout planking or do you use weights often to get that definition?

    • purelytwins says

      awesome Sorayya! so happy to hear this, keep up the great work!! We feel doing planks just about every day has definitely helped with define our arms and abs more, in addition to doing weights, HIIT workouts, and lots of push-ups.


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