Push-ups come in many forms — some are progressions to make a push-up harder while others are regressions to make the upper-body exercise more accessible. One push-up variation that holds muscles ...

DonnaJean Wilde, 59, holds Guinness World Records for the longest plank and most push-ups by a woman. She can plank for 4.5 hours and do 1,575 push-ups in an hour. She shared tips on how to get and ...

(CNN) — Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. There are ...