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From Fellrnr.com, Running tips
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The [https://www.amazon.com/dp/B00KLAGSW8 Wahoo TICKR Run] is a chest strap based system that's similar to Garmin's [[Running Dynamics]]. It supports both Bluetooth and Ant+, which is nice, but most of the functionality beyond heart rate requires you to have your phone with you on your run. If you do, then you get Cadence, Ground Contact Time, Vertical osculation, and 3D smoothness. This 3D smoothness shows the jerk (rate of change of acceleration) in three planes; forward-backward, up-down, and side to side. This has great potential, but the smoothness depends far too much on the tightness of the strap, even varying with your breathing.
[[File:WahooSmoothness.png|none|thumb|250px|The smoothness that Wahoo displays seems like it could be really valuable if only it was usable.]]
=Lumo Body Tech Run(Bankrupt) =
''Main Article: [[Lumo Run]]''
'''Update: Lumo has gone bankrupt and as far as I can see their sensors are effectively bricked. Unlike BSX, who made some of their software open source, Lumo has just disappeared. '''Like many other devices, [[Lumo Run]] uses accelerometers to measure body movement, but uniquely (so far) Lumo places the accelerometers at the small of your back. This allows Lumo to not only detect [[Cadence]] and [[Vertical Oscillation]], but also breaking and pelvic movement. The measurement of braking force is rather different from [[RunScribe]], as Lumo measures how much your overall body slows up with each stride, rather than measuring the deceleration of your foot in touch down. I believe that both approaches are important, and give valuable insight into possible biomechanical problems. In addition, Lumo will measure how much your hips (pelvis) will drop from side to side, and how much it rotates (twists). Lumo is available Lumo Run is available for <jfs id="B01K22SOYE" noreferb="true"/>. I really wish that Lumo would measure [[Impact]], as it would be great to know how much of the foot strike [[Impact]] reaches the hips.
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