Description: Arch design naturally curves to the back, allowing for more effective core work while protecting your lower back and tailbone. Great for those with lower back pain problems who want a safe way to continue strengthening their abdominal muscles. Premium ABS surface and high density foam, comfortable and durable for long term service Wide application: training abdominal, back, oblique’s muscle group during crunches, leg lifts & sit-ups and provides stability & constant tension Giving comfort and the perfect amount of firm support for your back and spine while providing a challenge to your core muscles. LxWxH Size: Upgrades: 74x30x7 cm Ordinary: 36x30x7cm Package Includes: 1 x Ab Supine Board
