Nick Porter Hiit interval timer for Android. Glenda Watt I'm so thankful for this status! I didn't know these apps were out there and I just downloaded one. Can't wait to put it to use!! :-) Steve ...

What if you were able to turn the clock back on your muscles and it took nothing more than a change in how you walk? It’s no sci-fi hype. It’s the science-supported wizardry of the Japanese interval ...