Push-ups are great for building strength and muscle, and can be modified for all fitness levels. To start working up to push-ups, practice eccentric and incline exercises, a personal trainer says. As ...
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 ...