(CNN) -- It's been called the fourth "R" of education: reading, writing, arithmetic and now, aerobics. But the gym class of generation Wii isn't the same one you probably remember from school. "You hear sometimes the old stories ... where you roll the ball out and students just played the game," says Hanna Vaandering, president of the Oregon Education Association. "That's not what physical education is about today." As they struggle to keep kids active in the midst of an obesity epidemic, PE teachers are using technology and the latest fitness trends to inspire even the most nonathletic children to develop a lifelong love for exercise.Physical education teachers are using innovative ways to battle the obesity crisisSchools now offer yoga, CrossFit, rock climbing, spinning and bowlingTeaching stress relief could be key to students' success, some educators say
An overemphasis on standardized tests and budget cuts has removed important stress outlets such as art class and _ in some schools, she says.