Gives Your Terrific Core Strength, Ripped Abs & Powerful Back Muscles Work Upper Middle Abs With Multiple Crunch Positions. Use With or Without Dumbbells. Thickly Padded Bench With Durable Stitched Vinyl Upholstery. Each-to-Reach Extended Hand Grips. Pivoting Foam Rollers Hold Your Lower Leg in Place The pull of a pin quickly & easily adjusts the angle of the bench to increase or decrease your workout intensity. Target your lower back muscles with standing hyperextension exercises. The Hyper Bench s thigh support adjusts to fit your leg length, & the pivoting foam rollers hold your ankles securely so your.