high intensity interval training

By Jonah Comstock 02:33 pm June 5, 2017
As is becoming the trend, the portion of Apple's WWDC conference dedicated to the Apple Watch featured a heavy focus on the watch's health and fitness features, which continue to be the wearable's hallmark feature set.  "Apple Watch is designed to help you live a healthier life," CEO Tim Cook said, "and people are absolutely loving the fitness capabilities, the health capabilities, the quick...