Sten Grimmer

Sten Grimmer

Sten Grimmer (Postdoctoral Researcher)
Locomotion Laboratory
Institut of Sport Science
Technical University of Darmstadt
Magdalenenstr. 27
D-64289 Darmstadt (Germany)

e-Mail: sgrimmer@sport.tu-darmstadt.de
phone: +49 (0)6151 - 166673
fax: +49 (0)6151 - 163661













Research

  • Mechanisms of obstacle avoidance - Locomotion on rough terrain as key for understanding the basic principles of locomotion
  • Feedback mechanisms - Analysis of the role and the interplay of different control systems (e.g., “preflexes” and stretch reflexes)
  • Quiet human stance - Understanding the mechanics in postural control

Publications


Articles

  • Haeufle, D. F. B., Grimmer, S., Kalveram, K.-T., and Seyfarth, A. Integration of intrinsic muscle properties, feed-forward and feedback signals for generating and stabilizing hopping. J R Soc Interface, Ahed of Print, 2012. DOI:10.1098/rsif.2011.0694, PMID:22219395
  • Kalveram, K. T., Haeufle, D. F. B., Seyfarth, A., and Grimmer, S. Energy management that generates terrain following versus apex-preserving hopping in man and machine. Biological Cybernetics 106, 1–13, 2012. DOI:10.1007/s00422-012-0476-8
  • Lipfert SW, Günther M, Renjewski D, Grimmer S, Seyfarth A. A model-experiment comparison of system dynamics for human walking and running. The Journal of Theoretical Biology [Epub ahead of print], 2012. DOI:10.1016/j.jtbi.2011.09.021, PMID: 21959315
  • Maus HM, Seyfarth A, Grimmer S. Combining forces and kinematics for calculating consistent centre of mass trajectories. Journal of Experimental Biology, 214 (21): 3511-3517, 2011. DOI: 10.1242/jeb.057422, PMID: 21993778
  • Günther M, Putsche P, Leistritz L and Grimmer S. Phase synchronisation of the three leg joints in quiet human stance. Gait and Posture, 33 (3): 412-7, 2011. DOI: 10.1016/j.gaitpost.2010.12.014
  • Mueller R, Grimmer S and Blickhan R. Running on uneven ground: Leg adjustments by muscle pre-activation control. Human Movement Science, 29 (2): 299-310, 2010. DOI: 10.1016/j.humov.2010.01.003
  • Haeufle DFB, Grimmer, S and Seyfarth A. The role of intrinsic muscle properties for stable hopping—stability is achieved by the force–velocity relation. Bioinspiration & biomimetics, 5 (1): pp. 16004-16014, 2010. DOI: 10.1088/1748-3182/5/1/016004
  • Günther M, Grimmer S, Siebert, T and Blickhan R. All leg joints contribute to quiet human stance: A mechanical analysis. Journal of Biomechanics 42 (16): 2739-2746, 2009. DOI:10.1016/j.jbiomech.2009.08.014
  • Grimmer S, Ernst M, Guenther M and Blickhan R. Running on uneven ground: leg adjustment to vertical steps and self-stability. Journal of Experimental Biology, 211 (18): 2989-3000, 2008. DOI: 10.1242/jeb.014357.
  • Blickhan R, Seyfarth A, Geyer H, Grimmer S, Wagner H and Günther M. Intelligence by mechanics. Philos Transact A Math Phys Eng Sci 365 (1850): 199-220, 2007. DOI: 10.1098/rsta.2006.1911


Conference Contributions - Abstracts, Posters & Conference Paper

  • Peuker F, Renjewski D, Groß M, Grimmer S, Seyfarth A. Anchoring the SLIP model: The effect of leg mass on running stability. The 5th International Symposium on Adaptive Motion of Animals and Machines, Hyogo, Japan, Oct 11-14, 2011. (accepted)
  • Peuker F, Renjewski D, Groß M, Grimmer S, Seyfarth A. Involuntary morphosis - modular simulation of limb damage in quadrupeds. Dynamic Walking, Jena, Germany, July 18-21, 2011.
  • Lenk M, Grimmer S, Seyfarth, A. Simulated injury – constrained knee joint does not effect leg dynamics in walking. In: Van Sint Jan S, Feipel V, Aerenhouts D et al. (2011) XXIIIrd congress of the International Society of Biomechanics - ISB2011 Conference book. ISBN 9789090260198. pp 164-165.
  • Kalveram KT, Haeufle D, Grimmer S, Seyfarth A. Energy management that generates hopping. Comparison of virtual, robotic and human bouncing, Proceedings of International Conference on Simulation, Modeling and Programming for Autonomous Robots 2010 Workshops, Nov 15-16, Darmstadt, Germany: 147-156, 2010. ISBN: 978-3-00-032863-3
  • Maykranz D, Grimmer S, Maus HM, Seyfarth A. Can energetic leg function be characterized with work-loops? Annual Main Meeting of the Society for Experimental Biology 2010, June 30 - July 3, Prague, Czech Republic, 2010.
  • Lipfert SW, Günther M, Grimmer S, Seyfarth A. Leg swing powered by the ankle joint in human walking, Annual Main Meeting of the Society for Experimental Biology 2010, June 30 - July 3, Prague, Czech Republic, 2010.
  • Aerts P, Grimmer S, Berillon G, Seyfarth A, D'Aout K. Changing pedality in primates: a case of fast 'loco-morphing'. Annual Main Meeting of the Society for Experimental Biology 2010, June 30 - July 3, Prague, Czech Republic, 2010.
  • Peter S, Grimmer S, Lipfert SW and Seyfarth A. Variable joint elasticities in running. Autonome Mobile Systeme 2009, Dillmann R, Beyerer J, Stiller C, Zöllner JM, Gindele T (Eds.) Springer: 129-139, 2009.
  • Maykranz D, Grimmer S, Lipfert SW, Seyfarth A. Foot function in spring mass running. Autonome Mobile Systeme 2009, Dillmann R, Beyerer J, Stiller C, Zöllner JM, Gindele T (Eds.) Springer: 81-88, 2009.
  • Lipfert SW, Günther M, Grimmer S and Seyfarth A. Underlying mechanisms of observed segment kinematics in human gait. 12th Congress of the ISB, Cape Town, South Africa, 2009.
  • Grimmer S and Blickhan, R. Running on bumpy ground: stiffness adjustment to vertical heights. J Biomech 39(Suppl. 1): 29, 2006.
  • Grimmer S, Seyfarth A, Geyer H and Blickhan R. Running stability mechanisms - leg retraction and stiffness. Annual Meeting SEB, Southampton, 2003.


Thesis

  • Grimmer S. Steifigkeitsanpassung beim Laufen auf unebenem Terrain. Verlag Dr. Kovac, Hamburg, ISBN 978-3-8300-3449-0, 2008. (only in german)