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.

For many, reducing belly fat is one of their primary motivations for working out. Incorporating this plank variation into one ...

Once you hit the 60- or 90-second mark, Kelvin suggests adding arm or leg movements or a dynamic component, such as sliding your feet on a towel or glider, to make your plank more challenging. Below ...