The GANAS Adjustable Back Extension Machine is meant to train the thoracic and lumbar muscles. It has a variable incline, sliding rack, and foot stop for rolling.This Adjustable Back Extension will be a great addition to any workout environment. This product will allow you to work your lower back in a comfortable position, not to mention it is a sturdy piece of equipment that is sure to last a long time.Back extension machines are a foundation piece of equipment in many gyms,The GANAS Adjustable Back Extension is a great choice for fitness enthusiasts who want a reliable and authentic back extension similar to what they would find in a commercial gym. This machine has a heavy-duty 12-gauge steel construction