Skip long planks. These 5 no-equipment core exercises build stability, strength, and definition with smart, full-torso ...

FITBOOK editor Julia Freiberger thought she was athletic. Ten years of dance experience here, five years of sports experience ...

Our bodies move in various directions to perform tasks such as picking up a child, carrying luggage, or getting up and down ...

Find out exactly how long to hold a plank after 50 to test your core strength, improve stability, and spot where you need ...