LEO monitors your body's complex biosignals, translating them into simple, actionable advice. The Leo, a wearable band aimed at cyclists and runners uses EMG. "We can actually use these signals to measure your lactic acid levels and alert users before they get a cramp if they are pushing the pace too hard," says founder Leonard MacEachern. "That is something which used to require going to a lab, exercising in a controlled condition, and having blood drawn, which would then be tested. Now we can show you what's happening inside your body, in real time, and on your smartphone."
Leo is mining old medical technology for new applications as the market for wearable technology explodes.