How to do the perfect side plank, and how to make it easier (and harder). Planks are hard. Even just 30 seconds in plank position can feel like an eternity. But as challenging as planks are, side ...

For a core- and glute-specific workout, you'll love this eight-move workout from ISSA-certified personal trainer and Under Armour trainer Sydney Torabi. It's quick (done in 20 minutes!), but intense!

IDK about you, but the only time I really, truly pay attention to my posture is when I'm working out (or when someone tells me to stop slouching). So you can imagine how garbage mine is the rest of ...

Once you’ve mastered forearm planks and side planks — two staple variations of the ab exercise — it might be time to take things up a notch with side plank dips. This combo core move challenges your ...

Variety is the spice of life, and that includes your core workout. So if your traditional plank hold (albeit effective) is feeling a little stale, add some heat with a side plank. “More balance, more ...