My research focuses on technology in motion for measuring, improving and stimulating human movement in the context of rehabilitation, sports and public health. I merge cutting-edge human movement science on topics like walking adaptability, sensorimotor control and coordination dynamics with evolving motion technologies (e.g., Kinect, Hololens) and academic entrepreneurship. In doing so, I seek to generate knowledge and solutions for and with our students, educators and societal stakeholders, which every so often results in commercially available applications.
I am currently focusing on research and development in the context of actor-environment interactions. In the context of sports (swimming and running) we apply acoustic stimuli to entrain and modulate rhythmic movements and their intersegmental coordination. We further study the utility of 3D depth cameras (Kinect, Hololens) to gather actor movements and environmental layout data, and validate that against gold standards. Finally, we seek to enrich the actor-environment workspace with augmented-reality and mixed-reality visual context, often in a movement-dependent manner, to evoke actor-environment interactions. The main applications are in the context of walking with studies on holographic obstacle avoidance and walking-adaptability assessments with the Interactive Walkway. This includes several PhD and Master projects involving both experimental research and technological developments.
In 2015, I was awarded as the promising young scientist of the International Society for Posture and Gait Research (ISPGR, Seville, Spain). In 2013 and in 2014, I was nominated for the Professor of the year award of Vrije Universiteit Amsterdam. Students of the Faculty of Human Movement Sciences elected me as Professor of the year in 2013. In 2010, my PhD-dissertation was selected as runner up for the Dutch Society of Human Movement Sciences PhD-dissertation award 2008-2010. I serve as editorial board member for the journals Gait & Posture and Human Movement Science.
I have 1 patent and 3 inventions resulting in commercial products, including the C-Mill, Interactive Walkway and Trapplaus. In 2009, I received a Veni grant from NWO (250 K€). I further received grant funding from different divisions of NWO (MaGW, ZonMW, STW, EW), Dutch charity and society funds (e.g., Hersenstichting, OIM stichting) and the Erasmus Mundus program of the EU, both as a principal applicant (198 K€) and as formal co-applicant (447 K€). My work further procured approximately 300 K€ industrial investment related to the patented invention of the C-Mill and license fees for the Interactive Walkway and Trapplaus.
I received my PhD at the Department of Human Movement Sciences, Vrije Universiteit Amsterdam, in 2009. My thesis supervisors were prof. dr. Peter J. Beek, prof. dr. Gert Kwakkel, dr. Claudine Lamoth and dr. Lieke Peper.
- Title: Anchoring: moving from theory to therapy.
- Topics: Control of rhythmic movements, Synchronization, Auditory-motor control, Visuomotor control, Gaze anchoring, Visual search, Cueing in gait rehabilitation, Movement-dependent event control, C-Mill.
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Excerpts of scientific work
- Cadence modulation in walking and running: Pacing steps or strides?
- Avoiding 3D obstacles in mixed reality: Does it differ from negotiating real obstacles?
- Automatized, standardized, and patient-tailored progressive walking-adaptability training: A proof-of-concept study
- Walking adaptability for targeted fall-risk assessments
- Tightening up the control of treadmill walking: Effects of maneuverability walking: Effects of maneuverability range and acoustic pacing on stride-to-stride fluctuations
- Gaitography on lower-limb amputees: Repeatability and between-methods agreement
- Assessing Walking Adaptability in Parkinson's Disease: “The Interactive Walkway”
- Unveiling intermittency in the control of quiet upright standing: Beyond automatic behavior
- Dual-Task Walking in Challenging Environments in People with Stroke: Cognitive-Motor Interference and Task Prioritization
- Pacing the phasing of leg and arm movements in breaststroke swimming to minimize intra-cyclic velocity fluctuations
- Walking-adaptability assessments with the Interactive Walkway: Between-systems agreement and sensitivity to task and subject variations.
- Validation of Foot Placement Locations from Ankle Data of a Kinect v2 Sensor
- The efficacy of treadmill training with and without projected visual context for improving walking ability and reducing fall incidence and fear of falling in older adults with fall-related hip fracture: a randomized controlled trial
- Walking adaptability therapy after stroke: study protocol for a randomized controlled trial
- Attentional costs of walking are not affected by variations in lateral balance demands in young and older adults
- Unilateral and bilateral upper-limb training interventions after stroke have similar effects on bimanual coupling strength
- Attuning one’s steps to visual targets reduces comfortable walking speed in both young and older adults
- Improved gait adjustments after gait adaptability training are associated with reduced attentional demands in persons with stroke
- Effects of aging and dual tasking on step adjustments to perturbations in visually cued walking
- Kinematic Validation of a Multi-Kinect v2 Instrumented 10-Meter Walkway for Quantitative Gait Assessments
C-Mill training voor het oefenen van functionele loopvaardigheid
van Ooijen-Kerste, M. W., Houdijk, J. H. P., Janssen, T. W. J. & Roerdink, M., 2015, In : Nederlands Tijdschrift voor Revalidatiegeneeskunde. 2015, 5, p. 231-233
- Muscle networks: Connectivity analysis of EMG activity during postural control
- How to sync to the beat of a persistent fractal metronome without falling off the treadmill?
- Attentional costs of visually guided walking: Effects of age, executive function and stepping-task demands
- Gaitography applied to prosthetic walking
- The Capacity to Restore Steady Gait After a Step Modification Is Reduced in People With Poststroke Foot Drop Using an Ankle-Foot Orthosis
- Informational and neuromuscular contributions to anchoring in rhythmic wrist cycling
- Anchoring in rhythmic in-phase and antiphase visuomotor tracking
- Nieuwe inzichten in motorisch leren voor de fysiotherapeut
- Attentional demands of cued walking in healthy young and elderly adults
- Evaluating asymmetry in prosthetic gait with step-length asymmetry alone is flawed
- Assessing gait adaptability in people with a unilateral amputation on an instrumented treadmill with a projected visual context.
- Understanding inconsistent step-length asymmetries across hemiplegic stroke patients: Impairments and compensatory gait
- Walking to the beat of different drums: Practical implications for the use of acoustic rhythms in gait rehabilitation
- Center-of-pressure regularity as a marker for attentional investment in postural control: a comparison between sitting and standing postures
- Comparing the efficacy of metronome beeps and stepping stones to adjust gait: Steps to follow!
- To freeze or not to freeze? Affective and cognitive perturbations have markedly different effects on postural control
- Effects of plantar-flexor muscle fatigue on the magnitude and regularity of center-of-pressure fluctuations
- Sway regularity reflects attentional involvement in postural control: effects of expertise, vision and cognition
- Bilateral motor unit synchronization of leg muscles during a simple dynamic balance task
- Rhythm Perturbations in Acoustically Paced Treadmill Walking After Stroke
- On the relative contribution of the paretic leg to the control of posture after stroke
- Low alcohol doses reduce common 10-15 hz input to bilateral leg muscles during quiet standing
- Online gait event detection using a large force platform embedded in a treadmill
- Visual and musculoskeletal underpinnings of anchoring in rhythmic visuo-motor tracking
- Children with cerebral palsy exhibit greater and more regular postural sway than typically developing children.
- Regularity of center-of-pressure trajectories depends on the amount of attention invested in postural control
- Gait Coordination After Stroke: Benefits of Acoustically Paced Treadmill Walking
- Dynamical structure of center-of-pressure trajectories in patients recovering from stroke
- Effects of correct and transformed visual feedback on rhythmic visuo-motor tracking: Tracking performance and visual search behavior