From fitness enthusiasts of all levels—from amateur to professional athlete—the 770A Total Body Arc Trainer from Cybex has an array of settings that can be customized to suit just about any workout or training plan. In fact, it’s like having three different machines packed into one. When it comes to knee, foot, and hip joint stress, this machine is designed help to eliminate or at least provide some much-needed relief. Plus, research shows that the Arc Trainer actually burns more calories than is possible with other cross trainers (including more traditional elliptical machines). Thanks to new display technology, users can clearly see their progress.