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CURO Mk II – Acoustic Myography
A Revolutionary Biofeedback Sports Medicine Device
Muscle Hydration Status
Denis Potvin -
• Four-time NHL Stanley Cup Winner ”Captain NY Islanders”
• Fi rst player to reach 100 playoff assists in NHL history
• I nducted into the NHL Hockey Hall of Fame,
• Ottawa Sports Hall of Fame,
• Nassau County, NY Sports Hall of Fame.
Muscle Hydration Status
Imagine if within a matter of a few seconds you could assess a players muscle status...
Adequately hydrated
Dehydrated
Odema
Imagine if you could do this in a simple and non-invasive way We think the CURO Mk II and acoustic myography may be the solution…
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We take a unit and its sensor and place it on the muscle of interest
Then whilst we record from the muscle, we apply a range of sounds
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This result is a muscle sound profile that reflects the level of hydration
Adequately Hydrated – Odema & Swelling - Dehydrated
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In a PRELIMINARY trial involving 2 individuals, it was found that dehydration, induced by 2 x 20 minutes of sauna exposure (20 mins x 2 = 40 mins total) resulted in a change in the muscle sound profile (see next slide):
• Muscle group tested – leg muscle Vastus lateralis – the largest and most powerful part of the quadriceps femoris – it extends the knee, moving the lower leg forward
• Frequency range tested – Hz 400, 380, 360, 340, 320, 300 (all at 6 seconds duration)
- Hz 290, 280, 270, 260, 250, 240, 230, 220, 210, 200 (all at 4 secs duration)
- Hz 190, 180, 170, 160, 150, 140, 130, 120, 110, 100 (all at 4 secs duration)
- Hz 90, 80, 70, 60, 50, 40, 30, 20, 10, 5 (all at 4 seconds duration)
• Approach – non-invasive positioning of the sound generator close to the CURO sensor as shown on the earlier slide – sounds generated by an App, with CURO recordings of the sounds as they propagate in the muscle of interest. Analysis of the recorded signals using CURO-software.
• Subject – the subjects in the next slides were young fit females.
CONCLUSIONS:
• It would appearthat the CURO is sensitive enough to detecthydration changesin individual musclegroups.
• This approach, as a technique for assessingmuscle hydrationlevelseems promising.
• In the field it wouldrequire a baseline measurement for an individual, against which spot checks could be compared.
FUTURE STUDIES:
• There i s nowa need for more testing – more subjects to see if the same trend is found.
• We alsoneed to measure againstquantifiedlevels of dehydration.
• There i s likewise a need for assessment of muscle differences and interindividual / sports discipline differences.
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With rehydration after 40 mins of sauna dehydration we see an even response from the muscles at almost every frequency
NOTE: with rehydration there is a better signal response at higher frequencies
With rehydration after 40 mins of sauna dehydration we see an even response from the muscles at almost every frequency
• Rehydration = 1200 ml 30 minutes after sauna dehydration
NOTE: with rehydration there is a better signal response at higher frequencies
CONCLUSIONS:
• It would appearthat the CURO is sensitive enough to detectrehydration changesin individual musclegroups.
• Rehydrationseems to improve the muscle signal at higherfrequenciesas well as result in a muchmore even muscle signal across the range investigated (1090 Hz).
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CONCLUSION:
• Rehydration with Gatorade seems to improve the muscle signal restitution at not onlyhigher but especially lower frequencies (5-20 Hz). [1 ltr Gatorade 30 minsafterdehydration]
CONCLUSIONS:
• It would appearthat the CURO is sensitive enough to detectrehydrationchanges in individual musclegroups.
• Rehydrationseems to improve the muscle signal at higherfrequenciesas well as result in a muchmore even muscle signal across the range investigated (10-90 Hz).
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Advanced Myographic Technologies
9081 NE Jacksonville Road Suite 1302
Anthony, Florida 32617-1302
Contact: Denis Potvin
Call: 772-214-7287
Email: dcp@myographytech.com or Contact: Raymond Di Maria
Call: 352-456-8338
Email: RSD@myographytech.com
Mail: info@myographytech.com
