up downs?

hopeandfaith24

does anyone know what part of the body up downs work? or if it even helps you to get into shape?

Chenoachem

According to cosmo it works :legs, shoulders, butt, abs.

I had never heard of it before. Looks interesting. I think it could be a good workout if down with enough reps in a semi-rapid succession.

songbyrdsweet

Cosmo's version of updowns are actually high-knees.

Here's an up down:

http://www.rosstraining.com/articles/burpeeclip.htm

Also known as a burpee.