How to do plank jacks

When it comes to building a strong core, planks are one of the most popular exercises to add to your routine (here’s how long you need to hold a plank to see results), but if you’ve already mastered the bodyweight plank, what else can you do to up the intensity? The answer—make the plank move.

Plank jacks are a dynamic ab workout, as they force you to engage the stabilizer muscles in your core to secure your body as you jump your legs in and out. You’ll work your deep abdominal muscles, as well as your upper and lower body. Although deep stabilizer muscles might not be an aesthetic goal, they are super important for balance and coordination in most sports, including running, tennis, and weight lifting. But how do you do plank jacks with the correct form, and what are the different variations to try? Read on to find out more.

How to do a plank jack

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