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Monitoring MUSCLES contraction to enhance your BIKE FIT SESSION

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Monitoring MUSCLES contraction to enhance your BIKE FIT SESSION

Old 10-16-15, 02:50 PM
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Monitoring MUSCLES contraction to enhance your BIKE FIT SESSION

Hello Guys,
I know all of you are focusing on the best frame, the best position on the bike etc etc.. I would like to start a tread where we can discuss about an innovative approach to bike fitting.
Have you ever wonder how do all the frame / position changes impact on the muscles which are actually the "engine" of generating the cycling motion?
Have you ever considered making adjustment not just merely based on guidelines, or SW such as Retul which tell you what should be the optimal angle for each joint based on an big database of cyclist with different background and mechanics? Think about a tool that can listen to muscles and show the position on the bike which delivers the same amount of generated power on the trainers at fix cadence but with minor muscle activity.
It's easy to understand how that would be the optimal position as guarantee speed and at the same time preserve your muscles to be quickly fatigue.

So, thinks about when the saddle is too low.. In the case the rectus femuris ( the QUADS) would be contracting so much but still the generated power not that high.. this is simply inefficient and the fatigue would affect the quad very quickly... The concept is easy to get. You just need a tool that can listen to your muscles and quantify each muscle activity.

This can be achieved using a wireless EMG system which provides real time feedback and also allow for data recording so that you can easily compared different position and provide a written report showing what is the position.

You can take a look at this video:
Bike Fitting EMG Evaluation | BTS Bioengineering

Coming to a conclusion any traditional bike fitting approach is great but once you get to the point that you are uncertain of is the best position given a certain range provided by the visual analysis you can use the surface EMG to fine tune the position and confirm you are cycling in the most efficient way..

Cheers!

Davide
DavideNY is offline  
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