Make attractive body with Rotary Torso Machine. The FreeMotion Commercial Selectorized EPIC Rotary Torso Machine is an excellent machine for improving your core stability and strength, by strengthening your obliques and backbone. These muscles are crucial for particular sports (such as golf and baseball), but strengthening them can also benefit how you look and feel. Today, many people are particularly concerned about burning abdominal fat, and are looking for the most effective tools to do that. While there are tons of gimmicky machines on the market that focus on the abs, this rotary torso equipment is the real deal. How does the machine function? The main feature of the FreeMotion Commercial Selectorized EPIC Rotary Torso Machine is a rotating arm mechanism that supports a vertical positioning of the user. It’s ideal for a cornucopia of different users and functions somewhat differently from the Star Trac Rotary Torso Machine.