Offers an amazing workout for the external and internal obliques with this patented upper body stabilization design

* Seat adjusts left/right to provide minimum of 10-degrees and maximum of 80-degrees range

* Upper body stabilization and body positioning provide exercise effectiveness
* Easy-read index allows repeatable work-range adjustments from seated position
* UPDATE: The countoured seat has been upgraded with a higher density foam to improve the comfort and durability of the pad. The countours of the seat in the photo above may be different than the updated model