Check out the feature at RichmondBizSense.com on RichmondOutside.com contributors Camille and Bryan Smith. The proprietors of Black Dog Paddle are constantly expanding their offerings. Case in point: yoga on a standup paddleboard. Of course, it might be a good idea to take a beginner SUP class before trying your sun salutations in the middle of the James River or Swift Creek Reservoir or wherever. They have those classes, too.