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From Fellrnr.com, Running tips
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{{DISPLAYTITLE:Lumo Run Review}}
Lumo Run is a [[Running Sensors| Running Sensor]] that mounts on the rear waistband of your shorts. It measures a number of aspects of your [[Running Form]], including [[Cadence]], [[Vertical OsculationOscillation]] (bounce), braking, pelvic drop, and pelvic twist. Lumo uses a 9-axis sensor, which is a 3-axis accelerometer plus a 3-axis gyroscope and a 3-axis magnetometer allowing it to sense movement far better than sensors that rely on the accelerometer alone. It's this 9-axis sensor that allows some of the potentially interesting metrics to be gathered.
* '''Cadence'''. I believe [[Cadence]] is the single most important running metric, and while Lumo seems accurate, the lack of real time data is especially annoying here.
* '''Vertical Oscillation'''. This is how much your torso moves up and down with each stride. It is generally believed that less Vertical Oscillation is a better, but I suspect that this is an oversimplification. Some are part of a runner's [[Vertical Oscillation]] is likely to be elastic in nature (consider a bouncing rubber ball), some of the vertical motion will be while the runner is airborne (ballistic), and some of the vertical motion is the deceleration as the runner lands. So, it seems likely to me that excessive vertical oscillation is bad, but it's a tricky to know what excessive is likely to be, or how to correct it.
