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Gasparutto, X. (author), van der Graaff, E (author), Veeger, H.E.J. (author), van der Helm, F.C.T. (author)Among baseball players, the pitchers are the most prone to injuries. These injuries occur mainly at the medial part of the elbow and at the shoulder. It is widely accepted that high joint loading are linked to overuse injury for repetitive motion. At maximal exo-rotation (MER), the elbow maximal abduction moment is predominantly counteracted by...conference paper 2016
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Kalogianni, K. (author), de Munck, Jan C. (author), Nolte, Guido (author), Vardy, A.N. (author), Schouten, A.C. (author), van der Helm, F.C.T. (author), Daffertshofer, Andreas (author)The accuracy of EEG source localization depends on the choice of the inverse method, the resolution of the forward model, and the signal to noise ratio (SNR) of the recordings. Since we are interested in disentangling sources in proximity, the goal of our study is to examine the sensitivity of spatial resolution of EEG source reconstruction to a...abstract 2016
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van der Kruk, E. (author), van der Helm, F.C.T. (author), Schwab, A.L. (author), Veeger, H.E.J. (author)Pushoff in speed skating requires an extensive motion strategy. During speed skating the skater continuously changes the lean and steering angle of the skate and therewith the direction of push-off, The forces in an inertial coordinate system can give insight into what amount of the push-off force is directed into the forward motion. In this...conference paper 2016
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Mirakhorlo, M (author), Visser, J.M.A. (author), Goislard de Monsabert, B.A.A.X. (author), van der Helm, F.C.T. (author), Maas, H. (author), Veeger, H.E.J. (author)A musculoskeletal model of the hand and wrist can provide valuable biomechanical and neurophysiological insights, relevant for clinicians and ergonomists. Currently, no consistent data-set exists comprising the full anatomy of these upper extremity parts. The aim of this study was to collect a complete anatomical data-set of the hand and wrist,...journal article 2016
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van der Kruk, E. (author), Den Braver (student), O. (author), Schwab, A.L. (author), van der Helm, F.C.T. (author), Veeger, H.E.J. (author)In the current project, we aim to provide speed skaters with real-time feedback on how to improve their skating performance within an individual stroke. The elite skaters and their coaches wish for a system that determines the mechanical power per stroke. The push-off force of the skater is a crucial variable in this power determination. In...journal article 2016
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van der Kruk, E. (author), Schwab, A.L. (author), van der Helm, F.C.T. (author), Veeger, H.E.J. (author)To assist speed skaters in improving their skating performance, we would like to provide them with real time feedback on the orientation of the skate within a single stroke. While of course the forces generated by the skater on the ice determine the acceleration of the skater, the orientation of the skate determines in which direction this...conference paper 2016
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Gasparutto, X. (author), Van Der Graaff, E. (author), van der Helm, F.C.T. (author), Veeger, H.E.J. (author)In baseball, pitchers are the players that are most prone to injury. Most injuries occur at the elbow and shoulder of the throwing upper limb. It is widely accepted that understanding the loading in the joints during pitching is a key factor to prevent injuries. To deepen the understanding of the joint actions this study proposes to split the...conference paper 2016
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Van der Meulen, E. (author), Cidota, M.A. (author), Lukosch, S.G. (author), Bank, PJM (author), van der Helm, A.J.C. (author), Visch, V.T. (author)n the clinical community there is a need for assessment tools that allow for objective, quantitative and valid measures of motor dysfunction. In this paper, we report on the design and evaluation of a serious game that engages patients with Parkinson's disease in upper extremity (hand/arm) movements. The game employs augmented reality to show...conference paper 2016
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Yang, Y. (author), Solis Escalante, T. (author), van de Ruit, M.L. (author), van der Helm, F.C.T. (author), Schouten, A.C. (author)Coupling between cortical oscillations and muscle activity facilitates neuronal communication during motor control. The linear part of this coupling, known as corticomuscular coherence, has received substantial attention, even though neuronal communication underlying motor control has been demonstrated to be highly nonlinear. A full assessment...journal article 2016
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Yang, Y. (author), Solis Escalante, T. (author), van der Helm, F.C.T. (author), Schouten, A.C. (author)Objective: This paper introduces a generalized coherence framework for detecting and characterizing nonlinear interactions in the nervous system, namely cross-spectral coherence (CSC). CSC can detect different types of nonlinear interactions including harmonic and intermodulation coupling as present in static nonlinearities and also subharmonic...journal article 2016
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Nieuwenhoff, MD (author), Wu, Y. (author), Huygen, F.J.P.M. (author), Schouten, A.C. (author), van der Helm, F.C.T. (author), Niehof, SP (author)Introduction: Small nerve fiber dysfunction is an early feature of diabetic neuropathy. There is a strong clinical need for a non-invasive method to assess small nerve fiber function. Small nerve fibers mediate axon reflex-related vasodilation and play an important role in thermoregulation. Assessing the reflex vasodilation after local heating...journal article 2016
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Kramer, O. (author), Jobse, M.A. (author), Baars, E.T. (author), van der Helm, A.W.C. (author), Colin, M.G. (author), Kors, L.J. (author), van Vugt, W.H. (author)Softening at drinking water treatment plants is often realised by fluidised bed pellet reactors. Generally, sand is used as seeding material and pellets are produced as a by-product. To improve to sustainability, research has been carried out to replace the seeding material by re-using grained and sieved calcite pellets as seeding material. An...conference paper 2015
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Wegman, F.C.M. (author), Poldervaart, M. T. (author), van der Helm, Y. J. (author), Oner, F. C. (author), Dhert, W. J. (author), Alblas, J. (author)Bone morphogenetic protein-2 (BMP-2) gene delivery has shown to induce bone formation in vivo in cell-based tissue engineering. In addition, the chemoattractant stromal cell-derived factor-1α (SDF-1α, also known as CXCL12) is known to recruit multipotent stromal cells towards its release site where it enhances vascularisation and possibly...journal article 2015
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Gasparutto, X. (author), van der Graaff, E (author), van der Helm, F.C.T. (author), Veeger, H.E.J. (author)The purpose of this study was to assess the rotation and translation velocity of the shoulder complex during fastball pitching in baseball. 8 pitchers from the Dutch AAA team performed each 3 fastball pitches. Their motion was recorded by an opto-electronic device. Kinematic computation was performed using the quaternion algebra. The results...conference paper 2015
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Hengeveld, BJ (author), Voort, R (author), Hummels, CCM (author), de Moor, J (author), van Balkom, H (author), Overbeeke, K (author), van der Helm, A.J.C. (author)Young children with multiple disabilities (e.g., both cognitive and motor disabilities) are confronted with severe limitations in<br/>language development from birth and later on. Stimulating the adult-child communication can decrease these limitations. Within<br/>LinguaBytes, a three-year research program, we try to stimulate language...journal article 2008
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van der Helm, A.W.C. (author)Drinking water treatment plants automation becomes more sophisticated, more on-line monitoring systems become available and integration of modeling environments with control systems becomes easier. This gives possibilities for model-based optimization. In operation of drinking water treatment plants, the processes are usually optimized...doctoral thesis 2007
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- van der Helm, A.W.C. (author), Smeets, P.W.M.H. (author), Bosklopper, Th.G.J. (author) report 2005
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- Wisse, M. (author), Schwab, A.L. (author), van der Linde, R.Q. (author), van der Helm, F.C.T. (author) journal article 2005
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van der Helm, Ruud (author)Geschiedkundig onderzoek naar de oorzaken van de ondergang van de Grote Waard en een beschrijving van het bedijkingsproject tussen Broek en Zevenbergen in de jaren 1410-1412 en de ondergang na de Sint Elisabethsvloeden van 1421 en 1424. Geeft een overzicht van de verklaringen inzake het verloren gaan door recente onderzoekers gedaan,...report 1988