I am a broadly trained and oriented human movement scientist. I am fascinated by the control and coordination of human movement, and changes therein as a function of development, learning and rehabilitation. Among the many topics that have my interest, the acquisition of perceptual-motor skills and the development of expertise stand out.
Most of my early work consisted of modeling studies of coordinated rhythmic movement that were motivated from the then burgeoning dynamical systems approach, or coordination dynamics in short. I contributed to the advancement of this approach by developing and testing nonlinear dynamical models for rhythmic arm movements. My PhD work consisted of a formal, in-depth analysis of the task constraints of juggling and their accommodation by human performers, which culminated in an article on juggling in Scientific American. With my colleagues Andreas Daffertshofer and Till Frank I further contributed to the theory of stochastic dynamics and its application to human movement and brain activity. In my more recent work, I sought to improve movement coordination in rehabilitation and sports through cueing and feedback, which, among others, led to a patent for a new treadmill, called the C-Mill, with visual and auditory cueing together with Melvyn Roerdink.
Besides a PhD project on the efficacy of the C-Mill in gait rehabilitation, I am currently supervising PhD projects on the use of performance feedback in swimming, rowing, running and baseball with the aim to identify (the most) effective means to improve relevant technical skills. A PhD project on cycling will soon be added to this list, in which a mixed-reality environment will be developed to improve steering and braking skills during descent.
I received my PhD at the Faculty of Human Movement Sciences of the Vrije Universiteit Amsterdam in 1989 with the predicate cum laude. My thesis supervisors were the late psychologist Prof. Dr. H. T. Whiting, who founded the journal Human Movement Science for which I currently serve as editor, and theoretical physicist Prof. Dr. Ir. B. P. Th. Veltman.
- Title: Juggling dynamics.
- Topics: The coordination dynamics of single-handed and two-handed movement, walking and running, standing, catching and hitting. Perception-action coupling. Coordination and performance improvement in (gait) rehabilitation and sports (including swimming, rowing, athletics, gymnastics, baseball and football).
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Excerpts of scientific work
- Inter-individual differences in stride frequencies during running obtained from wearable data
Real-time feedback on mechanical power output: Facilitating crew rowers' compliance with prescribed training intensity
Lintmeijer, L. L., Knoek Van Soest, A. J., Robbers, F. S., Hofmijster, M. J. & Beek, P. J., Mar 2019, In : International Journal of Sports Physiology and Performance. 14, 3, p. 303-309 7 p.
- Mechanical power output in rowing should not be determined from oar forces and oar motion alone
- Incongruent visual feedback during a postural task enhances cortical alpha and beta modulation in patients with Parkinson's disease
Focus of attention instructions during baseball pitching training
van der Graaff, E., Hoozemans, M., Pasteuning, M., Veeger, D. & Beek, P. J., 1 Jun 2018, In : International Journal of Sports Science & Coaching. 13, 3, p. 391-397 7 p.
- Dual-Task Walking in Challenging Environments in People with Stroke: Cognitive-Motor Interference and Task Prioritization
- Evidence for sequential performance effects in professional darts
- Older adults with weaker muscle strength stand up from a sitting position with more dynamic trunk use
- An adaptive, real-time cadence algorithm for unconstrained sensor placement
- A psychomotor diagnostic instrument for patients with post-traumatic stress disorder
- Optimal stride frequencies in running at different speeds
- Pacing the phasing of leg and arm movements in breaststroke swimming to minimize intra-cyclic velocity fluctuations
- The effect of fear of falling on vestibular feedback control of balance
Heart-rate recovery after warm-up in swimming: A useful predictor of training heart-rate response?
Ganzevles, S. P. M., de Haan, A., Beek, P. J., Daanen, H. A. M. & Truijens, M. J., 1 Jul 2017, In : International Journal of Sports Physiology and Performance. 12, 6, p. 742-748 7 p.
- Effects of attentional focus on walking stability in elderly
- Using tri-axial accelerometry in daily elite swim training practice
- Quantification of in-season training load relative to match load in professional Dutch Eredivisie football players
- Influence of focus of attention, reinvestment and fall history on elderly gait stability
- Learning a new bimanual coordination pattern: Interlimb interactions, attentional focus, and transfer
- Informational and neuromuscular contributions to anchoring in rhythmic wrist cycling
- Anchoring in rhythmic in-phase and antiphase visuomotor tracking
- Fundamenten. Motorisch leren: individuele verschillen
- Development of temporal and spatial bimanual coordination during childhood
- Gaze fixation improves the stability of expert juggling
- Differential modulations of ipsilateral and contralateral beta (de)synchronization during unimanual force production
- Neural synchrony within the motor system: what have we learned so far?
- Validation of seat-off and seat-on in repeated sit-to-stand movements using a single body fixed sensor
- Moving the Weber fraction: the perceptual precision for moment of inertia increases with exploration force
- Nieuwe, praktisch relevante inzichten in techniektraining (deel 8): Motorisch leren: het belang van observeren en nadoen
- Evaluating asymmetry in prosthetic gait with step-length asymmetry alone is flawed
- A critical evaluation of the cognitive penetrability of posture
- Nieuwe, praktisch relevante inzichten in techniektraining (deel 7): Motorisch leren: oefening in combinatie met slapen baart kunst
- Psychiatric symptoms in children with gross motor problems
- Speeding up or slowing down?: Gait adaptations to preserve gait stability in response to balance perturbations
- Nieuwe inzichten in motorisch leren voor de fysiotherapeut
- Fundamenten. Motorisch leren: focus van aandacht
- Fundamenten. Motorisch leren: contextuele interferentie
- Fundamenten. Motorisch leren
- Nieuwe, praktisch relevante inzichten in techniektraining (deel 5): Motorisch leren: het belang van random variatie in de uitvoering
- Understanding inconsistent step-length asymmetries across hemiplegic stroke patients: Impairments and compensatory gait
- Walk to me when I smile, step back when I'm angry: emotional faces modulate whole-body approach-avoidance behaviors
- Frequency-induced changes in interlimb interactions: Increasing manifestations of closed-loop control
- Attention and time constraints in perceptual-motor learning and performance: Instruction, analogy, and skill level
- Slowing of M1 activity in Parkinson's disease during rest and movement - An MEG study
- Interlimb coupling strength scales with movement amplitude.
- Multivariate Ornstein-Uhlenbeck processes with mean-field dependent coefficients: Application to postural sway
- Anticipatory postural adjustments before load pickup in a bi-manual whole body lifting task
- A model for phase transitions in human hand movements during multifrequency tapping.
- Frequency-induced transitions in bimanual tapping.
- Coupling strength in tapping a 2:3 polyrhythm.
Excerpts of scientific work
Perfecting your Pitch: In search of the perfect baseball pitch and its training
van der Graaff, E., 2019, 167 p.
External load during football training: the power of acceleration and deceleration
Stevens, T. G. A., 2017, 102 p.
Assessing Sit-to-Stand for Clinical Use
Lummel, R. C., 2017, 192 p.
Steps to follow: Toward the clinical assessment and training of walking adaptability
Ooijen-Kerste, M. W., 2017, 252 p.
Human Balance Control: Effects of Fear and Attention in Standing and Walking
Melker Worms, J. L. A., 2017, 137 p.
Augmented visual feedback in Parkinson's disease: Assessing and improving postural control
van den Heuvel, M. R. C., 2017, 132 p.
Training and assessment for sport psychology practice
Hutter, R. I., 2016
Older adults: Mind your step
Mazaheri, M., 2016, GVO Printers and designers. 88 p.
Balance Control in Human Walking: An Energetic Perspective
IJmker, T., 2015
A walk on the wild side: Fall-risk assessment from daily-life gait
Rispens, S. M., 2015
Synchronization with fractal rhythms: Complexity matching of statistical structure
Marmelat, V. C. M., 2014
Step by step: Stepping strategies to prevent falling while walking
Hak, L., 2014
Unilateral versus bilateral upper limb training after stroke
van Delden, A. E. Q., 2014
Stabilizing bimanual coordination: Changes in interlimb interactions
de Boer, B. J., 2013
Exploratory movements in haptic perception
Debats, N. B., 2013
Neural synchronization within and between regions of the motor system
van Wijk, B. C. M., 2012
Gross motor performance in children with psychiatric conditions
Emck, C., 2011
Neural entrainment in coordination dynamics
Houweling, S., 2010, 142 p.
Moving In Time: Neurons, Clocks, and Rhythmic Movements
Vardy, A. N., 2010, 126 p.
Is stability an unstable concept?: Quantifying dynamic stability of human locomotion
Bruijn, S. M., 2010, 156 p.
Automatization and deautomatization of perceptual-motor skills
Koedijker, J. M., 2010, 160 p.
Anchoring: moving from theory to therapy
Roerdink, M., 2009, 232 p.
jump & run: energetics and mechanics of explosive and cyclic movements
Scholz, M. N., 2009, 73 p.
Neural dynamics of human motor control
Boonstra, T. W., 2007, Enschede: Print Partners Ipskamp.
How do you feel? An Inquiry into Dynamic Touch and Proprioception
van de Langenberg, R. W., 2007, Amsterdam: Reprohouse Amsterdam.
Asymmetric interlimb coupling strength in rhythmic bimanual coordination
de Poel, H. J., 2007, Enschede: Print Partners Ipskamp.
Impedance modulation: a means to cope with neuromuscular noise
Selen, L. P. J., 2007, Cambridge (UK): Cambridge Printing.
Visual perception for basketball shooting
Ferraz De Oliveira, R. M., 2007, Enschede: Print Partners Ipskamp.
Structure from randomness; A window into coordination
van Mourik, A. M., 2006, Enschede: PrintersPartners Ipskamp.
- Control of Fast Goal-Directed Arm Movements: a critical evaluation of the equilibrium point hypothesis
Rhythmic Bimanual Coordination
Ridderikhoff, A., 2006
Neural dynamics underlying interceptive actions
Dessing, J. C., 2005, Enschede: Printpartners Ipskamp B.V..
Walking with back pain
Lamoth, C. J. C., 2004, Utrecht Houten: Digital Printer Partners.
Disentangling perceptual-motor learning
Huys, R., 2004, Utrecht/ Houten: Digital Printer Partners.
Effects of Task Constraints on the Relative Phasing of Rhythmic Movements
Post, A. A., 2001, Enschede: Print Partners Ipskamp BV.
Stochastic properties of human motor control: nonlinear Fokker-Planck equations
Frank, T. D., 2001, Enschede: Print Partners Ipskamp.
Developmental Coordination Disorder: Evaluation and Treatment
Leemrijse, C., 2000, Amsterdam: Vrije Universiteit.