University of Groningen
Preservation of motor flexibility in healthy aging
Greve, Christian
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Publication date: 2018
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Citation for published version (APA):
Greve, C. (2018). Preservation of motor flexibility in healthy aging: Flexibility in joint coordination is unaffected by age and task constraints in two fundamental activities of daily living. Rijksuniversiteit Groningen.
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Christian Greve
Preservation of motor flexibility
in healthy aging
Flexibility in joint coordination is unaffected
by age and task constraints in
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Colofon
Th e experiments described in Chapter 2 - 5 were conducted at BdB Fysiotherapie Borger and the Center for Human Movement Science, University Medical Center Groningen, Groningen, Th e Netherlands.
Printing of this thesis was fi nancially supported by: University Medical Center Groningen
University of Groningen Research Institute SHARE Bäckers Dutzend
BdB Fysiotherapie Borger
Stichting Beatrixoord Noord Nederland
ISBN: 978-94-034-0875-0 (e-book) ISBN: 978-94-034-0876-7 (printed book) Design and Layout: Douwe Oppewal
Printed by: Ipskamp Printing, Enschede Copyright © Christian Greve 2018
All rights reserved. No Part of this publication may be reproduced or transmitted in any form or by any means without written permission from the author.
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Preservation of motor flexibility
in healthy aging
Flexibility in joint coordination is unaffected by age and
task constraints in two fundamental activities of daily living
Proefschrift
ter verkrijging van de graad van doctor aan de Rijksuniversiteit Groningen
op gezag van de
rector magnificus prof. dr. E. Sterken en volgens besluit van het College voor Promoties.
De openbare verdediging zal plaatsvinden op dinsdag 18 september 2018 om 11.00 uur
door
Christian Greve
geboren op 15 juni 1984 te Lingen (Ems), Duitsland
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Promotor Prof. dr. T. Hortobágyi Copromotor Dr. R. M. Bongers Beoordelingscommissie Prof. dr. M. Pijnappels Prof. dr. J.B.J. Smeets Prof. dr. B. Otten
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Paranymphs
Chantal Beijersbergen Laurens van Kouwenhove
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TABLE OF CONTENTS
1. General Introduction
7
2. Not all is lost: Old adults retain flexibility
25
in motor behavior during sit-to-stand
3. Physical demand but not dexterity is associated
47
with motor flexibility during rapid reaching in
healthy young adults
4. Old adults preserve motor flexibility
75
during rapid reaching
5. Flexibility in joint coordination remains unaffected
97
by force and balance demands in young and
old adults during simple sit-to-stand tasks
6. General Discussion
115
7. Appendix
127
Summary
128
Samenvatting
130
Dankwoord
133
About the author
134
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