1 	Introduction

  2 	Impedance and Current Distribution

  3 	Electrical Principles of Nerve and Muscle Function

  4 	Excitation Models

  5 	Electrical Properties of the Heart

  6 	Cardiac Sensitivity to Electrical Stimulation

  7 	Sensory Responses to Electrical Stimulation

  8 	Skeletal Muscle Response to Electrical Stimulation

  9 	Stimulation via Electric and Magnetic Fields

10 	High-Voltage and High-Current Injuries

11 	Standards and Rationale