Strengthen more than just your core muscles with the humble-yet-mighty plank.

Get your stopwatch out.

Add Yahoo as a preferred source to see more of our stories on Google. Ah, the plank. It may just be one of the most intimidating exercises. Anyone who has shook their way through one knows that the ...

Planks are a simple, equipment-free exercise that strengthen your core, improve posture, and protect your back ...

Forearm plank extensions work both your core and your glutes for a challenging exercise that you can throw into any strength training routine Nike trainer, Reiki practitioner, and meditation ...

Burpees are a popular exercise, but they can put a lot of stress on your joints. You can swap burpees for other lower-impact ...

Plyometric exercises require you to push yourself to your maximum effort through quick and intense bursts of energy like jumping, sprinting, lunging and hopping. They call on you to perform explosive ...

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Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Ah, the plank. It may just be one of the most intimidating ...