This piece by The New York Times isn't MS specific, but it is a great overview of high intensity interval training, the science behind it, and workout recommendations. A great read. And with HIIT being so helpful in MS, maybe a must read. - D
https://www.nytimes.com/guides/well/...bsite&emc=eta1
https://www.nytimes.com/guides/well/...bsite&emc=eta1