Fitness experts caution against jumping into a difficult routine suggested by Robert F. Kennedy Jr. and Pete Hegseth.

I tried the Pete and Bobby Challenge. Here's how I did—and, more important, why challenges like this can help your particular ...

Athlean-X founder Jeff Cavaliere explains the flaw in the popular fitness challenge of doing 100 pushups every day, and offers an alternative effective workout.

One trainer did 100 push-ups a day for 30 days. Find out what happened to his strength, body, and mindset.

Jim Dreeben, 83, took up CrossFit in his 80s and got hooked. He does 100 push-ups and also planks six days a week, and his doctor told him to keep going. Dreeben's active lifestyle includes ...

While he thinks that pushups are an accessible form of at-home bodyweight exercise, he adds that doing 100 pullup reps every day might not be achievable for a beginner.

More than half of Americans can't do 10 consecutive pushups, according to the study, and what's worse, more than a third cannot even do five pushups. Click here for more information.