Street Fitness - *Vitali-Klitschko* Knuckle push-ups Another variation is to perform pushups on the knuckles of the fist, rather than with palms of the hands on the floor. This method is also
Why are the knuckle push-ups made with vertical position of the hands, aren't they emulating punches (which in most cases are taught horizontal)? - Quora
![Sportsman Doing Push Ups On His Fists. Horizontal Indoors Shot Stock Photo, Picture and Royalty Free Image. Image 67399693. Sportsman Doing Push Ups On His Fists. Horizontal Indoors Shot Stock Photo, Picture and Royalty Free Image. Image 67399693.](https://previews.123rf.com/images/clickandphoto/clickandphoto1612/clickandphoto161200063/67399693-sportsman-doing-push-ups-on-his-fists-horizontal-indoors-shot.jpg)