Celebrity fitness trainer Donovan Green shows Dr. Oz how to maximize fat burning with a 7-minute high intensity interval workout. Watch more on The Dr. Oz Show: https://bit.ly/2R0SODm Subscribe to Dr. Oz's official YouTube channel: https://bit.ly/1QhiDuv Like Dr. Oz on Facebook: https://bit.ly/2imT12a Follow Dr. Oz on Instagram: https://bit.ly/2FWZRui Follow Dr. Oz on Twitter: https://bit.ly/1tQziaF