VO2 Max Only one running watch brand admits its VO2 Max and recovery estimates aren't perfect Polar lets you test your fitness level, muscular recovery, and sleep recovery manually, instead of blindly trusting its algorithm. I walked 10,000 steps a day for a month. Here’s what happened Do you need to walk 10,000 steps a day? It depends on your age and fitness level. But in my case, I really did get healthier. Be an expert in 5 minutesGet the latest news from Android Central, your trusted companion in the world of AndroidContact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Google is bringing widgets to phone lock screens with Android 16 QPR12Google will show off some of Android 16’s tricks as it gears for early release3Project Astra joins Gemini arm as Google gears up for a public launch4Android 16 Beta 2.1 gives us a sneak peek at Live Updates5Rumors claim Samsung could jump into One UI 8 right after One UI 7