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! Device
! Cost
! Status
! Location<sup>1</sup>
! Analysis<sup>2</sup>
| [[MilestonePod]]
| $25
| Recommended
| Footpod
| App
| [[Running Dynamics]] v2
| $100
| Recommended
| Chest
| Web/App/Export
| [[Running Dynamics]] v1
| $100
| Recommended
| Chest
| Web/App/Export
| [[RunScribe]]
| $200
| Recommended
| Footpod
| Web/App
| [[Sensoria]]
| $200
| Avoid
| Sock/Ankle
| Web/App
| [[TgForce]]
| $145
| Testing (problems seen)
| Ankle
| App/Export
|
|-
| [[Lumo ]]
| $80
| Testing (problems seen)
| Waist
| ?App| Phone| ?Yes
| Yes
| Yes
| Stryd
| $200
| Untested
| Chest
| ?
| [[Moov Now]]
| $60
| Testing (problems seen)
| Ankle
| App
| RUNTEQ Zoi
| 150 EUR
| Untested
| Foot & Chest
| ?
| RPM<sup>2</sup>
| $500
| Untested
| Insole
| ?
| [[Wahoo TICKR Run]]
| $80
| Testing (problems seen)
| Chest
| App/Export
| [[Moxy]]
| $770
| Testing
| Calf
| Export
| [[BSX]]
| $300
| Avoid
| Calf
| Web/App/Export
The TgForce measures just one thing; the peak impact on your lower leg. While this is a far cry from the broad array of data gathered by devices like [[RunScribe]], TgForce may add some particularly valuable insight. Measuring the impact that the foot can be a little misleading as the movement of your ankle can absorb a significant portion of that shock, so knowing how much of the force is transmitted to your lower leg may give a much better insight into injuries. The impact that your lower leg (tibia) receives will be transmitted into your knee, so reducing that stress might be quite helpful. The companion app only runs on iOS devices, not android, which will limit the appeal for some, and unless you buy two devices, it will only measure one leg at a time. Even if you get two devices, it doesn't appear that the app readily supports this approach, unlike [[RunScribe]] that does a lot to provide side to side comparisons. That said, I really like to have real-time feedback, something that TgForce provides, either visually for use on a treadmill, or audibly outside. I've ordered a TgForce and I'll post the results soon.
=Lumo Body Tech=
Like many other devices, Lumo 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 not yet shipping, but the preliminary price is $80, which is fairly reasonable for this type of device. 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. I have the 'm currently testing Lumo on pre-order and I'll test it when it arrives.
=Stryd=
Power meters have helped cyclists for a number of years, providing a valuable metric around how hard the cyclist is exercising. Stryd is attempting to provide a power meter for runners, which superficially sounds like a good idea. Certainly, there are many problems with using Heart Rate to determine training intensity, and measuring VO2 is only practical in a laboratory, so and a power meter could be a better option. However Stryd actually measures movement and then calculates power. The details are a little unclear, as their website does not explain their approach or a well, nor do they seem to be any validation studies that I could find. It seems that Stryd measures Vertical Oscillation, braking and side-to-side (lateral) movement to calculate power, though it also measures Heart Rate and Ground Contact Time. It's a chest strap system, an it seems a lot Garmin's [[Running Dynamics]]. It seems likely that you could perform similar calculations using the Garmin system, but I find myself unconvinced by the approach.
''Main Article: [[Sensoria]]''
The [https://www.amazon.com/Sensoria-Fitness-Socks-and-Anklet/dp/B019RWCWCA Sensoria smart socks] are made of materials that can detect pressure changes under your foot and transmit them back to anklet that communicates with a smart phone via Bluetooth. The [[Sensoria]] anklet also includes accelerometers to enhance the data gathered from the pressure sensors. While these socks are interesting, unlike a true pressure plate that has a matrix of pressure sensors, the socks have just three sensors, one in the heel and two in the forefoot. (<jfs id="B019RWCWCA" noreferb="true"/> for a pair of left & right socks, plus one anklet. ) Note that the socks last for 60 washes and cost $45, which works out to $0.75 per run. That might be cheap to a triathlete, but to most runners that works out pricy. Read [[Sensoria| my full review of Sensoria]]and the list of problems.
<br/>(Sensoria also make a tee that shirt includes an embedded Heart Rate monitor strap, you can plug a standard heart rate transmitter module into. They sell a dual Bluetooth/Ant+ transmitter, as well as working with the Polar H7 and some Garmin modules. )