Make sure your shoulders are over your wrists, and that you’re looking a few inches in front of your fingers to keep your ...

Start in a plank position. Lift hips up and back, sinking heels toward floor, until body forms an upside down "V" shape.

Copeland, 51, has dealt with neck and leg injuries in recent years ... Copeland and Reso, longtime friends, developed and launched Pure Plank, creating a way "to revolutionize the planking ...

“The plank can activate your postural muscles, shoulders, back of the neck, elbows, triceps, hips and quads,” Morrow said. “It is a pretty efficient exercise in terms of the muscle groups ...

To gauge your ability to do a side plank, try this 1-minute challenge ... and “push your shoulder down and back so your neck is long,” Roberts says. Extend your legs in a straight line ...