Electromechanical Delay of the Dorsiflexors in Young and Old Women

.................................................................................................................... ii ACKNOWLEDGEMENTS ............................................................................................. iiiii TABLE OF CONTENTS .................................................................................................... v LIST OF TABLES ........................................................................................................... viii LIST OF FIGURES ......................................................................................................... viii LIST OF ABBREVIATIONS ......................................................................................... iviii CHAPTER 1: GENERAL INTRODUCTION 1.0 General Introduction................................................................1 1.1 Electromechanical Delay ............................................................................. 1 1.2 Factors that could affect Electromechanical Delay...............................5 1.2.1 Fatigue........................................................................6 1.2.2 Potentiation....................................................................8 1.2.3 Lengthening Contractions..................................................9 1.3 Aging.................................................................................. 10 1.4 Sex...................................................................................... 13 1.5 Voluntary vs. Evoked Measures of EMD........................................14 CHAPTER 2: INTRODUCTION............................................................... 18 CHAPTER 3: METHODS 3.1 Subjects ..................................................................................................... 20 3.2 Experimental Arrangement ....................................................................... 20 3.3 Experimental Procedure ............................................................................ 21 3.4 Fatigue and Recovery Testing Design ...................................................... 22