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Is HIIT safe and healthy for kids and teens?


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High-intensity interval training (HIIT) is effective for kids and teens

A study published in SpringerOpen and conducted by PubMed and SPORTDiscus looked at data from healthy kids and teens, ranging in age from five to 18. It found eleven studies with a total of 1095 subjects where the participants completed at least five days of high-intensity interval training (HIIT). Over the range, the participants averaged an increase in neuromuscular and anaerobic performance, an increase in the number of push-ups they could complete, and a healthy decrease in their fasted glucose levels.

The takeaway

Not only is high-intensity interval training (HIIT) safe for kids and teens, it’s proven to be a very effective way for them to build strength, endurance, and fight the onset of hypoinsulinemia and type-2 diabetes.

Ben Garves
Ben Garves
Ben is a digital media entrepreneur, elite fitness analyst, activist, and CrossFit Level 1 coach. He founded WODDITY in 2017, making tools and resources for the CrossFit Community. You can find his content all over the internet, including contributions to, his blog at, YouTube, and the Ben Garves Podcast.

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