Taking a push-up challenge isn't just an ego thing. Done correctly, it can be a programming method that delivers big results. Try this one!
Exercise Challenge: Squat and Push-up 31 Day Bootcamp – Petal Mills
Body Transformation After Doing 100 Pushups + 50 Pullups For A Week
50 Pull ups and 100 Push ups in under 5 Minutes
Challenge Training - T NATION
Challenge Training - T NATION
Tip: Do This Finisher, Pack on Muscle
What will happen if I do 100 pushups a day for 3 months? - Quora
I completed a 30-day Push-Ups Challenge to Build My Upper-Body and Here's My Results — Unimeal
Push-Up Challenge: 4 Weeks To 50 Push-Ups
STOP DOING PUSHUPS AND PULLUPS EVERYDAY! - Programs at - Military or Law Enforcement Fitness - Navy, Army, Coast Guard, Marines, RECON, SEAL, Ranger, Police, FBI
Stop Doing 100 Pushups A Day, Push Up Challenge