fitness time: how much of these can you do? when I do LBT we do normal abs for around 10min, and 64 to 80 of these (depending of how fast you can) . the legspreading was just for you guys, nice cameltoe … :) Please Login to view this content. (Not a member? Join Today!) You do not have permission to view the comments. Click here to cancel reply. Please Login to post a comment Don't subscribe All Replies to my comments Notify me of followup comments via e-mail. You can also subscribe without commenting.