Here is another exercise machine that lets you work your abs and pelvis area. The Nagara Walk Workout Chair is pretty easy to use. Just sit down and move from left to right. Just do it three minutes per session, and you are done.
You may want to also check out:
The chair is compact and light. We are not sure how effective it is, but you can order it for under $200.
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.