From hula hooping in the 1950s to Jazzercise in the 1970s, there have been plenty of exercise fads that have kept people moving over the past century.
Now you can see a sampling of them in this 100-second history of the last 100 years of fitness.
The video, created by Benenden, a UK-based healthcare company, has been viewed more than 2 million times since being uploaded last month. Watch it above.
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