Manhattan yoga 'nazi' is kickin' class

It's 104 degrees in the studio and a middle-aged woman is trying heated Bikram yoga for the first time. "If you're not going to get your knees down, you might as well be eating pizza down the street!" he yells.

Meet the city's meanest yoga teacher: Otto Cedeño, owner of Bikram Yoga Union Square.

"My friends call me the yoga Nazi," said Cedeño, 46. "I laugh."

While many New Yorkers go to a yoga class to reconnect with their inner calm, Cedeño runs his class like a hard-nosed commander.

Break one of his many rules and you'll find yourself in yoga detention. Among his many pet peeves: No water for about the first third of the 90-minute class; wash off all makeup (it leaves streaks on rented towels); no loose-hanging clothes; and hair must be pulled back.

Cedeño often singles out people in incorrect positions -- even bullying students lying on their backs in the purposefully restful Corpse Pose.

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