Agenda 19nov2019 PhD defense Jolanda Roelofs

Jolanda Roelofs Balance problems in persons after stroke

In this thesis it is shown that persons after stroke with (near-)complete clinical recovery of leg motor impairments are easily overestimated with regard to their capacity to stand quietly on two legs.

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Jolanda Roelofs Balance problems in persons after stroke

In this thesis it is shown that persons after stroke with (near-)complete clinical recovery of leg motor impairments are easily overestimated with regard to their capacity to stand quietly on two legs. In addition, they may still show deficiencies in stepping responses to recover balance, higher fall rates and lower intensities of daily life activity. Stroke-related deficits in the ability to recover from perturbations delivered by a moving platform were more pronounced in stepping than in feet-in-place responses. With regard to backward and side stepping, it appeared that the angle between the vertical and the stepping leg (i.e., leg angle) and the intensity of the perturbation were the strongest predictors of successful balance recovery. The backward leg angle could accurately be determined from a 2D video frame and is therefore a promising outcome measure for reactive step quality in clinical practice. Importantly, perturbation-based balance training improves reactive step quality in persons after stroke.

Date, time and location PhD defense

  • Date: 19 November 2019
  • Time: 14.30 hrs
  • Location: Radboud Universiteit, Academiezaal Aula, Comeniuslaan 2

Biography

Jolanda Roelofs (1990) graduated with first-class honors in 2013 from Radboud University Nijmegen (master Biomedical Sciences, specialization Clinical Human Movement Sciences).

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Biography

Jolanda Roelofs (1990) graduated with first-class honors in 2013 from Radboud University Nijmegen (master Biomedical Sciences, specialization Clinical Human Movement Sciences). She carried out the described doctoral research at the department of Rehabilitation of the Radboudumc, within the Donders Institute for Brain, Cognition and Behaviour (DCMN). Currently, Jolanda is looking for a job in which she can combine academic research with implementations or innovations in healthcare.


Promotor

  • Promotors: prof. dr. A.C.H. Geurts
  • Co-promotors: Dr. V.G.M. Weerdesteyn, Dr. ir. A.C. Schouten

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