Standing core exercises strengthen the deep core muscles and those hard-to-target obliques that keep you stable while running, says Runner’s World coach, Jess Movold. Making the ...

The classic forearm plank is a foundational exercise that engages your entire core. Start by lying face down, then push your ...

This three-minute plank challenge, set by Anne Hathaway's trainer Monique Eastwood, sculpts your core in just one move.