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Course review/ memory (EMG (Measurements (In muscle belly/ center (2…
Course review/ memory
EMG
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Measurements
In muscle belly/ center (2 fingers on your biceps to find it, no real guidelines)
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Remove dead cells because of level of impedance don't contribute to electric signals, fat don't conduct electric signal well. EMG purposes (young people better)
ECG. Fat = tricky, not good for EMG
MVC (percentages = static movement) more fibers through movements, noise (cable, cross-talk)
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Video camera considerations: frame rate (calculate time, velocity...); shutter speed
Force
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Benefits
(Force from side, change position), injury risk, rehab
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Limitations
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Sample rate (frame rates in camera: amount of data points herts you get per sec). sampling rate higher than peak rate. Graph (triangle, circle pic) COM, surface (tarting, running track)
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Calculation
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km convert to m, min to sec