A class that teaches walking?

The New York Times reports on a New York yoga instructor who decided to offer courses on walking after noticing

The New York Times reports on a New York yoga instructor who decided to offer courses on walking after noticing the bad posture students had before and after (but not during) yoga classes. Apparently, most Americans (one would think Canadians, too) have no idea how to walk, and it’s having negative impact on their health, resulting in problems such as back and foot pain.

What do you think? Is this crazy, or necessary?

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