There are many progressions & regressions for push-ups.
Why we don't do Girl push-ups (and what we do instead)
5 Tips for a Perfect Push-Up
Wall Push-Ups: Tips and Recommended Variations
5 Ways to Do Push Ups If You Can't Now - wikiHow
Want a stronger core – skip the sit-ups - Harvard Health
How to Do a Push-Up: Proper Form & Variations to Try
No more girl push-ups: Pushing back against outdated standards
Benefits Of Push Ups For Females: Reasons Why Women Should Push Up
How Many Pushups Should You Do Per Day?
No more girl push-ups: Pushing back against outdated standards
Knee Push-Ups: Why You Should Be Doing Them
Getting Past 'Girl' Push-ups
How to Do Push-Ups: Forms, Variations and Tips to Know
What Happens to Your Body if You Do 10 Pushups a Day - Parade
