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From Fellrnr.com, Running tips
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* '''Rotation'''. As your support leg moves backwards, there is a tendency for the pelvis to twist so the supported side if further back and the side with the leading leg is further forward. Tight hip flexors make this a lot worse. Lumo recommends less than 15 degrees.
* '''Ground Contact Time (future)'''. Lumo are planning on adding this metric, along with stride length. (It's not clear why they can't calculate stride length from pace and cadence.)
Lumo Run not is available on Amazon, but you can buy it from [https://www.lumobodytech.comfor <jfs id="B01K22SOYE" noreferb="true"/ https://www.lumobodytech.com/] for $100 > which is a comparable price for a 9-axis device. (Early versions of the Lumo have a fault where light causes a bad battery reading, so you have to insert it into its holder the other way round.)
=Recommendation=
I think that the Lumo has potential, but needs more development.
