A personal trainer shares her experience performing 70 walking plank push-ups every day for one week in this push-up ...

Here are five dynamic side plank exercises that can give you a stronger core. The classic side plank hold is a quintessential ...

you can do either the straight-arm plank or the forearm plank. You can also mix things up by doing half of the holds in one plank and half in another. For example, if you're doing 30-second plank ...

This variation requires you to hold the straight-arm plank position, then take a sideways step with one hand and foot, followed by the other. From here, you’ll perform a push-up, then step ...