How I boosted my VO2 Max fitness to 'excellent' on my Garmin watch
by michael.hicks@futurenet.com (Michael L Hicks) from Android Central RSS Feed on (#6EMEY)
VO2 Max is the key metric all smartwatches use to determine how fit you are. Here's how I boosted my score from "Good" to "Excellent" in just a couple of months.