According to a fitness expert at Lifetime in New York City, how long you should be able to hold a plank for varies given how ...

Much like Marmite, you either love or hate planks. But for those who reside firmly in the former club, you might be wondering: how long should I plank for? Planking, which refers to the pose where you ...

Fitness fads may come and go, but there’s one aspect of strength training we can all agree on: a strong core never goes out of style - and for this, I'd recommend the side plank exercise every time.

View post: Patagonia's Legendary Nano Puff Jacket Is an Extremely Rare 30% Off The plank has long been considered one of the ultimate tests of rock-solid core strength. But beyond the classic straight ...