How to vary your arm placement in Extended Side Angle (Photo: Sarah Ezrin) 1. Hand on a block. In Ashtanga, you often hear the cue, "Get your palm flat to the floor, spine be darned." ...

The demo arm was also equipped with a camera, giving users a first-person view of the action, overlaid on a nearby laptop with a virtual hand. It's an easy to use and natural control method.