Its not uncommon for people to do a pushup improperly. Here's how to do a proper push up with perfect form, for beginners and pros.
Proper Pushup Form and Technique
Chest Workout With The Perfect Pushup®
How To Do A Perfect Push-Up: A Step-by-Step Guide
5 Weeks to Perfect Push-Ups
Perfect Your Pushup - Muscle & Fitness
The Perfect Push Up Do it right!
How to do a Push-Up, Proper Form & Technique
How To Do “Normal” Push-ups Perfectly, by Kindal Boyle
Push-Ups: Get Killer Results with Perfect Push-Up Form
Push-Ups: Get Killer Results with Perfect Push-Up Form
How To Perform A Proper Push Up + How To Get Your FIRST Push UP! - Eric Roberts