There are so many variations of plank — the ultimate bodyweight move to tone your core and upper body. If you really want to carve your six-pack and lengthen your obliques, try these ab-focused ...

Pretty Little Liars and You star Shay Mitchell just showed off her core strength in a workout video on Instagram, having filmed herself performing an exercise that definitely isn't for beginners: a ...

Planking is a great way to add strength-building to your exercise routine. Variations exist to help people of all ability levels. Maintaining a strong core is important for improving stability, ...