Space, the final frontier for the flexibility-challenged. Triangle, the ultimate space-making shape in yoga (at least, the one that most people can do and hold). Get yourself straight on triangle and you'll be able to hold the pose for a long time. Who knew that little pointy, three-sided shape could do so much for your body? And you thought you'd never use geometry or algebra in real life. Well, you were right about algebra. Find out what all your bits and pieces should be doing in this video tip on Triangle.