Aerobicsly News Today

>> reporter: curling mat? >> whatever. i dont know what it is called. >> reporter: sheet. sheet. >> see, somebody should inform me. the curling sheets. you know what im saying? they look like maybe i -- who does not pump iron, maybe i could be an olympic athlete. is. >> reporter: yes. here is the thing. first -- they are moms. as a matter of fact. they do have kids. but i have actually tried it. heres what it is. if you watched it -- you think you can do it. it really is much more difficult than...