Tracy Anderson proves that it’s possible to stay fit on vacation. You know the feeling all too well: You’re sitting on a airplane—jammed in and uncomfortable—when your legs start to cramp, your back begins to ache, and your neck stiffens. Far from your early morning Spin classes and hot yoga flows, you start to wonder whether you’ll be able to keep up any part of your regular fitness regimen while you’re away. WATCH THE VIDEO: Tracy Anderson's Top 5 Belly Fat-Blasting Exercises The truth is, it can be challenging to stick to your normal exercise routine while traveling. Whether it’s because you’re heading somewhere far away (where SoulCycle—gasp!—doesn’t exist), or because you’re tied up in meetings 24/7 on a business trip, fitting in a gym visit isn’t always doable. But that doesn’t mean you have to ditch exercise altogether. RELATED: 5 Simple Things You Can Do on a Plane to Avoid a Stiff Neck, Sore Back, and Dead Butt That’s where Tracy Anderson comes in. In this vi...