Download EMG Analysis - Motion Lab Systems, Inc.

Contents
Introduction
1
EMG Analysis/Graphing.......................................................................................................1
Installation Overview............................................................................................................4
Registration ..........................................................................................................................7
Obtaining the current version ................................................................................................9
The EMG Signal
11
What is EMG? ....................................................................................................................11
Why is EMG measured and studied? ...................................................................................13
Relationship of EMG to physical parameters .......................................................................14
Measurement of EMG Signals
17
How is EMG measured? .....................................................................................................17
The Problem of Aliasing .....................................................................................................20
Signal Levels ......................................................................................................................22
EMG Electrodes .................................................................................................................24
Crosstalk ............................................................................................................................30
Making EMG Recordings
31
Preparation .........................................................................................................................31
Checking the EMG signal ...................................................................................................32
Filtering the EMG signal.....................................................................................................32
Analysis techniques ............................................................................................................33
Interpretation ......................................................................................................................36
Application.........................................................................................................................36
EMG Data Collection .........................................................................................................39
Signal Analysis methods
40
Analyzing EMG..................................................................................................................40
Time domain analysis of the EMG signal ............................................................................42
Frequency Analysis.............................................................................................................45
Using your EMG program
49
The User Interface ..............................................................................................................49
The File menu.....................................................................................................................50
The Edit menu ....................................................................................................................60
View menu .........................................................................................................................72
The Scaling Menu.............................................................................................................101
Analyze menu...................................................................................................................109
Window menu ..................................................................................................................127
A software user guide for EMG Graphing and EMG Analysis EMG Analysis
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