Get age-specific plank duration goals and understand how different plank variations target specific muscle groups, as "Fox & Friends" hosts face off in a planking challenge.

A 58-year-old Pilates pro shares 5 core moves that keep her belly flat—no crunches required. Perfect for women over 50.

If you’ve ever tried to hold an abdominal plank during a workout, you know how challenging it can be even for just a few seconds. For many people, doing a plank — which is when you support ...

If you’ve ever tried to hold an abdominal plank during a workout, you know how challenging it can be even for just a few seconds. For many people, doing a plank — which is when you support ...

How: Get in a plank, forming a straight line from your head to feet. Brace your abs and life your left leg and right arm. Hold for two secs, squeezing your glutes, then return to start.