vi CHAPTER 1: GENERAL INTRODUCTION AND LITERATURE REVIEW 1 General Hypotheses 2 Dissertation Organization 2 Literature Review 2 References 14 CHAPTER 2: THE EFFECTS OF ANKLE BRACING ON JOINT MOMENTS AND LOADING RATES DURING JUMP LANDING TASKS 19 Abstract 19 Introduction 19 Methods 21 Results 24 Discussion 24 Conclusions 27 Figures and Tables 27 References 29 CHAPTER 3: ELECTROMYOGRAPHIC CHANGES IN QUADRICEPS, HAMSTRING, AND GLUTEAL MUSCLES AS A RESULT OF ANKLE BRACING, FATIGUE, AND JUMP DIRECTION 31 Abstract 3