Push-ups are a classic exercise to build strength even when you don't have gym equipment available, but not everybody can ...

After she signed up to attempt to break the world record for the longest plank, Wilde started training by doing hundreds of push-ups a day — and then decided that would be her next challenge.

His push-up challenge symbolizes grit and perseverance ... guy after achieving nearly 100,000 pushups. "I was trying to break the world record for the most push-ups done in one hour," he said ...