Marcy JD3.1 Hyper Extension Bench - Roman ChairThe Marcy JD3. 1 hyper extension bench Roman chair is designed to help you improve overall strength, and target your lower back muscles, glutes and hamstrings. This robust and functional piece of equipment enables you to strengthen your core, ease back pain, improve posture and build six pack abs. For enhanced comfort and support, it boasts high density padding and durable PVC upholstery, whilst a tough steel frame and elevated feet make it both solid