K. Aleisha Fetters

While planks are awesome for building core strength and stability, if you do them right, you shouldn’t need to hang …

One week I was covering five to 10 miles a day, loving life and riding the runners high. The next, …

Mark Fisher’s army of ninjas—clad in glitter, ape costumes, and tutus—are changing the face of hard-core fitness.

The sheer number of workouts out there is enough to give any guy whiplash. Every day there’s something new and …