Saulo Oliveira, Afonso Bione Inês Guedes Manoel Costa ... · MechanicalPart Momentofinertia 8. A...
Transcript of Saulo Oliveira, Afonso Bione Inês Guedes Manoel Costa ... · MechanicalPart Momentofinertia 8. A...
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Saulo Oliveira,
Afonso Bione*
Inês Guedes
Manoel Costa
* Presenter
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Universty of Pernambuco� Human Performance Laboratory
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History: 96’s e 97’s
� Costa (1997)
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The initial works
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Low Cost Ergometer for Wheelchair Users
(Brazilian Patent): 98’s
� Validation:
� Comparation of theMET’s in treadmill;� Verification of thereproducibility equipment;� Correction of the radiusand power output.
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2000 – 2004
� Evaluations;
� Reports;
� Data collected;
� Physiology;
� Motor performance
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This group provided:
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A New Equipment for Sports
Performance in a ergonomic perspective� A problem: the power output workout
Power output
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A New Equipment for Sports
Performance and ergonomic
perspective
� The manufactured
� Low cost;� Compact;� Reliable;� Validate;� Adaptable to allkinds of thewheelchairs;
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A New Equipment for Sports
Performance and ergonomic perspective� Mechanical Part
Moment of inertia
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A New Equipment for Sports
Performance and ergonomic perspective� Electronical Part
Arduino Mega (Arduino, Itália)
Sensores indutivos (SensorBras, Brasil)
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A New Equipment for Sports Performance
and ergonomic perspective� Experimental Procedures
Scientific criteria of authenticity
Concurrent validation throughhigh speed camera (Samsung, WB 2000) with 240 fps
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A New Equipment for Sports Performance
and ergonomic perspective� Validation process:
21 subjects non-wheelchair users(informed consent)
Principle of the maximal systems stress
Maximal sprint performance in 10 seconds
For statistical analysis to compare Dynamometer with videografy:
Bland-Altman plots and ICC
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A New Equipment for Sports
Performance and ergonomic perspective� Results: right side
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A New Equipment for Sports
Performance and ergonomic perspective
� Results: left side
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A New Equipment for Sports
Performance and ergonomic perspective� Future Perspectives:
� Children in sports;
� Eletronics wheelchairs;
� Propulsion patterns in sports;
� News wheelchairs performance.
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�Acknowledgments:
�IPC;
�Athletes;
�UPE;
�EAD.
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