The smartphone apps link with wearable devices to provide athletes at all levels with information they can use.

people using these high-tech ways to keep in shape. Are they working? Technology won’t cut pounds or increase a person’s stamina . Penn State professor David Conroy told NPR News, “One of the big challenges we’re having now is how to make that data useful. We’re drown- ing in data points without really capitalizing on them to change behavior more effectively.” In other words, all the apps in the world won’t make you run, swim, jump, or sweat . . . until you, to borrow another phrase from sports, “just do it.”

stem in sports: technology


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