Elbow abdominal exercise wheel 4 elbow pad automatic rebound healthy abdominal wheel the ab roller wheel is a professional-grade ab workout equipment that helps you quickly train your abdominal muscles and sculpt the perfect ab line. unlike traditional sit-ups, using this equipment can concentrate on training the abs and help you achieve better workout results. this dual-wheel abs exercise roller has wider front and rear wheels for smooth and controlled rolling. it effectively targets and strengthens all muscles, including the core, while ensuring safer body control. the grip also has anti-slip texture, allowing you to hold the equipment more firmly and maintain balance for a more efficient workout. automatic rebound abdominal wheel, core muscle ab trainer, counter display, fitness exercise wheel, elbow support.