Perfect form Plank
Get your basic plank right and it can become a versatile exercise; try side planks, plank intervals, side tap planks, and mountain climbers
Why do it?
Plank exercises are one of the most common exercises for the core. Planks are a great way to build strength, and they’ll also improve your running form and help to flatten your stomach too. Using the wrong technique can cause back, neck or shoulder injuries so it’s important to concentrate on your form.