The plank is a powerful exercise that strengthens the entire core. Planking is an isometric exercise that works our deep stabilizing muscles and engages our arms, hips, glutes, legs, and upper back. There are entire workouts, like plank challenges, based around holding the exercise longer each time you do it. But getting the most out of the plank, which involves supporting your weight on your hands, elbows, and toes as if you’re about to do a pushup, may not be all about how long you can hold it

45K views · 1K reactions | Because planks can work your entire core and are a key part of any core training program. And for a 30-Day Killer Core Program using these wonderful variations --> https://goo.gl/JZR5HY | Redefining Strength | Facebook