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How to reduce knee and joint pain during a HIIT class

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How to reduce knee and joint pain during a HIIT class

NBC News - By Stephanie Mansour

High intensity training incorporates plyometric movements that can be hard on the body. Avoid these common mistakes that put stress on your knees and joints. The American Council on Exercise defines high-intensity interval training (HIIT) as a system of organizing cardio-respiratory training with …

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