Table of Contents I 150

Arnold Huurnink

Chapter 1. General introduction 7
Chapter 2. The effect of leg preference on postural stability in healthy athletes 21
Chapter 3. Postural stability and ankle sprain history in athletes compared to uninjured controls 33
Chapter 4. Age-matched z-scores for longitudinal monitoring of center of pressure speed in single-leg stance performance in elite male youth soccer players 49
Chapter 5. The assessment of single-leg stance and the choice of performance parameters: recordings of force plate and joint angular motion 69
Chapter 6. How does postural stability following a single leg drop jump landing task relate to postural stability during a single leg stance balance task? 81
Chapter 7. The assessment of single-leg drop jump landing performance by means of ground reaction forces: a methodological study. 95
Chapter 8.1. Comparison of a laboratory grade force platform with a Nintendo Wii Balance Board on measurement of postural control in single leg stance balance tasks 109
Chapter 8.2. Response to the letter to the editor: on chapter 8.1 “Are the conclusions stated by the authors justified?” 119
Chapter 9. Summary, discussion and future perspectives 125
Appendices Samenvatting (Summary) 138
List of publications 142
Certificate 144
Dankwoord (Acknowledgements) 145
Curriculum Vitae 149

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