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From Fellrnr.com, Running tips
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! Device
! Cost
! Location<sup>1</sup>! Analysis<sup>2</sup>! Realtime<sup>3</sup>! Carry Phone<sup>4</sup>
! Symmetry
! [[Cadence]]
! GCT
! VO
! Impact<sup>7</sup>
! Braking
! Pronation
| $25
| Footpod
| NoApp| No| | Kinda<sup>6</sup>
| Yes
| Yes
| No| FootROI<sup>8</sup>| No| No
| Yes
| Leg Swing
| $100
| Chest
| Web/App/Export
| Watch
|
| Yes
| Yes
| Yes
| Yes
| No| No| No| No
|
|-
| $100
| Chest
| Web/App/Export
| Watch
| No|
| Yes
| Yes
| Yes
| No| No| No| No
|
|-
| $200
| Footpod
| NoWeb/App| |
| Yes
| Yes
| Yes
| No
| Foot
| Foot
| [[Sensoria]]
| $200
| Sock/Ankle| Web/App
| Phone
| Yes
| Yes<sup>9</sup>
| Yes
| Yes<sup>10</sup>| No| Foot<sup>10</sup>| No| No| Yes<sup>10</sup>
|
|-
| [[TgForce ]]
| $145
| Ankle
| App/Export
| Phone
| Yes
| No| NoYes| | | Tibia<sup>11</sup>| No| No| No
|
|-
| $80
| Waist
| ?
| Phone
| ?
| Yes
| Yes
| No
| Yes
| No
| Body
| No| No
|
|-
| $200
| Chest
| ?
| Watch/Phone
| ?
| No?
| Yes
| Yes
| Yes
| No
| Body
| No| No
|
|-
| [[Moov Now]]
| $60
| Ankle
| App
| Phone
| Yes
| No
| Yes
| No| No| AnkleTibia<sup>11</sup>| No| No| No
| Leg Swing
|-
| 150 EUR
| Foot & Chest
| ?
| Phone
| ?
| No
| Yes
| $500
| Insole
| ?
| Phone/Watch
| ?
| Yes
| Yes
| Yes
| No
| ?
| No
| Yes
| Yes
|
|-
| [[Wahoo TICKR Run]]
| $80
| Chest
| App/Export| Phone<sup>5</sup>| Yes| No
| Yes
| Yes
| Yes
| No| No| No| No| 3D Smoothness<sup>12</sup>
|-
| [[Moxy]]
| $770
| Calf
| Phone/Export| Watch| No| No| No| No| No| No| No| No|
| SmO<sub>2</sub>
|-
| $300
| Calf
| Web/App/Export
| Phone/Watch
| NoYes| | No| No| No| No| No| No| No
| SmO<sub>2</sub>
|}
# Where does the sensor go?
# What are your options for analyzing the results.
# Can you see the data in real time? This makes a huge difference if you're trying to improve your biomechanics. Ideally you want the information on a watch, which is easy to carry. Having to not only carry a phone but look at the display is something I dislike.
# Do you have to carry your phone with you? I hate carrying a cell phone when running, so this is a factor for me.
# Phone needed to get anything beyond HRM.
# You can use two pods and compare the data, but the system won't compare the results for you.
# Impact can be measured in various places, such as the foot impact, the lower leg (tibia), or the chest. The impact can be measured as peak acceleration (g's) or as rate of change of acceleration (AKA "Jerk").
# This is Rate of Impact, which is slightly different to simple impact g's (see review for a few more details).
# The $200 kit only comes with one sensor, so you'd need to by a second.
# The [[Sensoria]] measures a number of metrics, but it does so remarkably badly.
# This is a measure of the impact on the lower leg, which excludes the impact that the foot as absorbed.
# This is the rate of change of acceleration (AKA "Jerk") in three separate axis: up/down, side-to-side, and left/right.
=Garmin's Running Dynamics=
''Main Article: [[Running Dynamics]]''
RPM<sup>2</sup> (Remote Performance Measurement/Monitoring) is a pair of insoles that fit into your normal running shoes. These insoles measure pressure and use accelerometers to measure movement (a little like Sensoria). The details are not entirely clear from the web site, but they claim to measure [[Cadence]], Ground Contact Time, [[Foot Strike]], and "acceleration power". The system also claims to measure running power, though I'm not sure of the methodology. The RPM<sup>2</sup> system measure pressure in four areas (Sensoria has three), giving a [[Pronation]] measurement. There are notes that RPM<sup>2</sup> insoles are not waterproof, which is rather disconcerting, and if you run in different shaped shoes the fitment is likely to be problematic. The sizing of the insoles needs to take into account the position of the ball of the foot to ensure the sensor is in the right place. The system supports both Ant+ and Bluetooth so there is both a phone app and some information that can be displayed on a watch (it's not clear if this is more than just power). The system can also be used as a power meter for cycling.
=Wahoo TICKR Run=
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. I have a TICKR Run on order and I'll test it soon.
=Moxy=
[[Moxy]] uses the same approach as BSX, using infrared light to detect the oxygen saturation of the muscles of blood. Moxy is not as easy to use as the BSX, but it's the data seems to be rather more reliable, though it requires rather more effort to interpret.
