Completed notes of the course Part 1 Prof F

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Politecnico di Milano Technologies for Motor Behavior Analysis and Virtual Modelling Academic Year 2020/2021 Professor: Giancarlo Ferrigno i Contents Lecture 2 – Myoelectric signal (EMG) ........................................................................................................................... 1 2.1 Muscular structure ............................................................................................................................................. 2 2.2 The motor unit (MU) .......................................................................................................................................... 4 Lecture 3 – EMG electrodes ......................................................................................................................................... 8 3.1 Electrodes for biopotential detection: chemistry .............................................................................................. 8 3.2 Electrodes’ types .............................................................................................................................................. 13 3.3 Requirements and performances ..................................................................................................................... 15 Lecture 4 – Electromyograph ..................................................................................................................................... 17 4.1 Electrodes’ placement and configuration ........................................................................................................ 17 4.2 Electrical safety of electrophysiological instrumentation ................................................................................ 19 4.3 EMG noise…