Use the Roman chair sit-up to work on your rectus abdominis and obliques, while simultaneously strengthening your deep hip flexor muscles.
How to Get Abs: The Definitive Guide
Cheap Roman Chair For Reverse Sit-Ups Review
Roman Chair Situps Are Bad for You - Don't Do Them
Abs Exercises That Are More Effective Than Sit-Ups
Roman Chair Workout Instructions
IRON FIT Roman Chair Hyper Bench Back Extension - Full Body Exercise Hyperextension Adjustable Home Gym - AB Sit Up Bench Core Trainer, Abdominal Strength Training Equipment Lower Body Leg Workout
Roman Chair Sit Ups
The Benefits of Back Hyperextensions
Roman chair sit-up exercise instructions and video