Searched for: department%3A%22Biomechanical%255C%252BEngineering%22
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Vegter, R.J.K. (author), Lamoth, C.J. (author), Veeger, H.E.J. (author), De Groot, S. (author), Van der Woude, L.H.V. (author)
Changes in propulsion technique due to motor learning might account for a higher mechanical efficiency (ME, the ratio of internal power over external power). The changes in ME and propulsion technique were studied in a learning experiment, three times a week for eight minutes, with nine able-bodied subjects, simulating early rehabilitation....
conference paper 2011
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Van der Slikke, R.M.A. (author), Berger, M.A.M. (author), Bregman, D.J.J. (author), Veeger, H.E.J. (author)
Accurate knowledge of wheelchair kinematics during a match could be a significant factor in performance improvement in wheelchair basketball. To date, most systems for measuring wheelchair kinematics are not suitable for match applications or lack detail in key kinematic outcomes. This study describes the construction of wheel skid correction...
conference paper 2015
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van Dis, F. (author), Hoozemans, M (author), van der Graaff, E (author), Veeger, H.E.J. (author)
The purpose of this prospective study was to examine the longitudinal changes in shoulder ER ROM and relative IR strength in elite youth baseball pitchers over one year and to determine their associations with changes in ball speed for throwing fastballs. One hundred and five Dutch elite youth baseball pitchers were measured three times over a...
conference paper 2016
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van der Slikke, R.M.A. (author), Berger, MAM (author), Bregman, DJJ (author), Veeger, H.E.J. (author)
Increased professionalism in wheelchair sports demand a more precise and quantitative measure of individual wheelchair mobility performance, to allow it to be an evaluation measure of wheelchair setting or training optimization. This research describes the application of an inertial sensor based method for measuring wheelchair kinematics and a...
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)
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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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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van der Graaff, E (author), Hoozemans, M (author), Nijhoff, M. (author), Davidson, M (author), Hoezen, M (author), Veeger, H.E.J. (author)
The objective of the present study was to examine the relative timing of pelvis and thorax rotations in achieving high throwing velocities in baseball pitching. During the preseason, a kinematic analysis was performed on eight pitchers. Peak angular velocities of the pelvis and thorax were determined and separation, defined as the time between...
conference paper 2016
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van der Eb, Jeroen (author), Zandee, Willem (author), van den Bogaard, Timo (author), Geraets, Sjoerd (author), Veeger, H.E.J. (author), Beek, Peter (author)
The aim of the current study is to evaluate several performance indicators to be used as real-time feedback in the coming experiments to enhance performance of elite speeds skaters. Six speed skaters, wearing one IMU per skate, collected data over one full training season to evaluate and pinpoint useful performance indicators. Promising...
conference paper 2017
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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 Slikke, R.M.A. (author), Berger, Monique (author), Bregman, D.J.J. (author), Veeger, H.E.J. (author)
Short sprints are important components of most wheelchair court sports, since being faster than the opponent often determines keeping ball possession or not. Sprinting capacity is best measured during a field test, allowing the athlete to freely choose push strategies adapted to their own wheelchair setting, physical ability, classification...
conference paper 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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Maas, Huub (author), Veeger, H.E.J. (author), Stegeman, Dick F. (author)
contribution to periodical 2018
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Arnet, U. (author), Van Drongelen, S. (author), Van de Woude, L.H.V. (author), Veeger, H.E.J. (author)
Background The manual wheelchair user population experiences a high prevalence of upper-limb injuries, which are related to a high load on the shoulder joint during activities of daily living, such as handrim wheelchair propulsion. An alternative mode of propulsion is handcycling, where lower external forces are suggested to be applied to reach...
journal article 2012
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Asadi Nikooyan, A. (author), Veeger, H.E.J. (author), Chadwick, E.K.J. (author), Praagman, M. (author), Van der Helm, F.C.T. (author)
The Delft Shoulder and Elbow Model (DSEM), a musculoskeletal model of the shoulder and elbow has been extensively developed since its introduction in 1994. Extensions cover both model structures and anatomical data focusing on the addition of an elbow part and muscle architecture parameters. The model was also extended with a new inverse...
journal article 2011
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Asadi Nikooyan, A. (author), Van der Helm, F.C.T. (author), Westerhoff, P. (author), Graichen, F. (author), Bergmann, G. (author), Veeger, H.E.J. (author)
Determination of an accurate glenohumeral-joint rotation center (GH-JRC) from marker data is essential for kinematic and dynamic analysis of shoulder motions. Previous studies have focused on the evaluation of the different functional methods for the estimation of the GH-JRC for healthy subjects. The goal of this paper is to compare two widely...
journal article 2011
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Alta, T.D.W. (author), Veeger, H.E.J. (author), Janssen, T.W.J. (author), Willems, W.J. (author)
Background It has been suggested that limited active ROM of reverse shoulder prostheses relates to lack of strength. However, the postoperative strength has not been quantified. Questions/purposes We therefore measured joint torques in patients with reverse shoulder prostheses and correlated torques with functional scores. Methods We recruited...
journal article 2012
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Van der Scheer, J.W. (author), De Groot, S. (author), Tepper, M. (author), Gobets, D. (author), Veeger, H.E.J. (author), Van der Woude, L.H.V. (author), Woldring, F. (author), Valent, L. (author), Slootman, H. (author), Faber, W. (author)
Objectives: To describe wheelchair-specific anaerobic work capacity, isometric strength and peak aerobic work capacity of physically inactive people with long-term spinal cord injury using outcomes of tests that are feasible for use in rehabilitation centres, and to determine associations among these fitness components. Design: Cross-sectional...
journal article 2015
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Vegter, R.J.K. (author), Lamoth, C.J. (author), De Groot, S. (author), Veeger, H.E.J. (author), Van der Woude, L.H.V. (author)
Background Handrim wheelchair propulsion is a complex bimanual motor task. The bimanually applied forces on the rims determine the speed and direction of locomotion. Measurements of forces and torques on the handrim are important to study status and change of propulsion technique (and consequently mechanical strain) due to processes of learning,...
journal article 2013
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Vegter, R.J.K. (author), Hartog, J. (author), De Groot, S. (author), Lamoth, C.J. (author), Bekker, M.J. (author), Van der Scheer, J.W. (author), Van der Woude, L.H.V. (author), Veeger, H.E.J. (author)
Background To propel in an energy-efficient manner, handrim wheelchair users must learn to control the bimanually applied forces onto the rims, preserving both speed and direction of locomotion. Previous studies have found an increase in mechanical efficiency due to motor learning associated with changes in propulsion technique, but it is...
journal article 2015
Searched for: department%3A%22Biomechanical%255C%252BEngineering%22
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