Search Results - "Van der Helm, F.C.T."

Power in sports: A literature review on the application, assumptions, and terminology of mechanical power in sport research by van der Kruk, E., van der Helm, F.C.T., Veeger, H.E.J., Schwab, A.L.

“…The quantification of mechanical power can provide valuable insight into athlete performance because it is the mechanical principle of the rate at which the…”
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Shoulder function: The perfect compromise between mobility and stability by Veeger, H.E.J, van der Helm, F.C.T

“…Abstract Shoulder function is a compromise between mobility and stability. Its large mobility is based on the structure of the glenohumeral joint and…”
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Magnetic distortion in motion labs, implications for validating inertial magnetic sensors by de Vries, W.H.K, Veeger, H.E.J, Baten, C.T.M, van der Helm, F.C.T

“…Abstract Background Ambulatory 3D orientation estimation with Inertial Magnetic Sensor Units (IMU's) use the earth magnetic field. The magnitude of distortion…”
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The relationship between two different mechanical cost functions and muscle oxygen consumption by Praagman, M., Chadwick, E.K.J., van der Helm, F.C.T., Veeger, H.E.J.

“…Inverse-dynamic models often use cost functions to solve the load-sharing problem. Although it is often assumed that energy is minimised, most cost functions…”
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Comparison of three local frame definitions for the kinematic analysis of the fingers and the wrist by Goislard de Monsabert, B, Visser, J.M.A, Vigouroux, L, Van der Helm, F.C.T, Veeger, H.E.J

“…Abstract Because the hand is a complex poly-articular limb, numerous methods have been proposed to investigate its kinematics therefore complicating the…”
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The effect of elbow angle and external moment on load sharing of elbow muscles by Praagman, M, Chadwick, E.K.J, van der Helm, F.C.T, Veeger, H.E.J

“…Abstract To study elbow muscle load sharing we investigated the effect of external flexion–extension (FE) and pronation–supination (PS) moments and elbow angle…”
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3D shoulder position measurements using a six-degree-of-freedom electromagnetic tracking device by Meskers, C.G.M., Vermeulen, H.M., de Groot, J.H., van der Helm, F.C.T., Rozing, P.M.

“…Objective. To describe a recording and processing methodology for obtaining kinematic data of the shoulder which meets three more criteria besides usual…”
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Use of Induced Acceleration to Quantify the (De)stabilization Effect of External and Internal Forces on Postural Responses by van Asseldonk, Edwin H. F., Carpenter, Mark G., van der Helm, Frans C. T., van der Kooij, Herman

“…Due to the mechanical coupling between the body segments, it is impossible to see with the naked eye the causes of body movements and understand the…”
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Estimating muscle attachment contours by transforming geometrical bone models by Kaptein, B.L., van der Helm, F.C.T.

“…For individualization of a biomechanical model, it is necessary to estimate the muscle attachments of the person to whom it is to be adapted. One of the…”
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Morphological muscle and joint parameters for musculoskeletal modelling of the lower extremity by Klein Horsman, M.D, Koopman, H.F.J.M, van der Helm, F.C.T, Prosé, L. Poliacu, Veeger, H.E.J

“…Abstract Background To assist in the treatment of gait disorders, an inverse and forward 3D musculoskeletal model of the lower extremity will be useful that…”
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Validation of the Delft Shoulder and Elbow Model using in - vivo glenohumeral joint contact forces by Nikooyan, A.A, Veeger, H.E.J, Westerhoff, P, Graichen, F, Bergmann, G, van der Helm, F.C.T

“…Abstract The Delft Shoulder and Elbow Model (DSEM), a large-scale musculoskeletal model, is used for the estimation of muscle and joint reaction forces in the…”
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Getting in shape: Reconstructing three-dimensional long-track speed skating kinematics by comparing several body pose reconstruction techniques by van der Kruk, E., Schwab, A.L., van der Helm, F.C.T., Veeger, H.E.J.

“…In gait studies body pose reconstruction (BPR) techniques have been widely explored, but no previous protocols have been developed for speed skating, while the…”
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Can shoulder joint reaction forces be estimated by neural networks? by de Vries, W.H.K, Veeger, H.E.J, Baten, C.T.M, van der Helm, F.C.T

“…Abstract To facilitate the development of future shoulder endoprostheses, a long term load profile of the shoulder joint is desired. A musculoskeletal model…”
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Identifying intrinsic and reflexive contributions to low-back stabilization by van Drunen, P, Maaswinkel, E, van der Helm, F.C.T, van Dieën, J.H, Happee, R

“…Abstract Motor control deficits have been suggested as potential cause and/or effect of a-specific chronic low-back pain and its recurrent behavior. Therefore,…”
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Design and verification of a simple 3D dynamic model of speed skating which mimics observed forces and motions by van der Kruk, E., Veeger, H.E.J., van der Helm, F.C.T., Schwab, A.L.

“…Advice about the optimal coordination pattern for an individual speed skater, could be addressed by simulation and optimization of a biomechanical speed…”
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Characterizing human skin blood flow regulation in response to different local skin temperature perturbations by Wu, Y., Nieuwenhoff, M.D., Huygen, F.J.P.M., van der Helm, F.C.T., Niehof, S., Schouten, A.C.

“…Small nerve fibers regulate local skin blood flow in response to local thermal perturbations. Small nerve fiber function is difficult to assess with classical…”
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Glenohumeral stability in simulated rotator cuff tears by Steenbrink, F, de Groot, J.H, Veeger, H.E.J, van der Helm, F.C.T, Rozing, P.M

“…Abstract Rotator cuff tears disrupt the force balance in the shoulder and the glenohumeral joint in particular, resulting in compromised arm elevation torques…”
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Functionally interpretable local coordinate systems for the upper extremity using inertial & magnetic measurement systems by de Vries, W.H.K, Veeger, H.E.J, Cutti, A.G, Baten, C, van der Helm, F.C.T

“…Abstract Background Inertial Magnetic Measurement Systems (IMMS) are becoming increasingly popular by allowing for measurements outside the motion laboratory…”
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How to keep from falling forward: elementary swing leg action for passive dynamic walkers by Wisse, M., Schwab, A.L., van der Linde, R.Q., van der Helm, F.C.T.

“…Stability control for walking bipeds has been considered a complex task. Even two-dimensional fore-aft stability in dynamic walking appears to be difficult to…”
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Use of pressure insoles to calculate the complete ground reaction forces by Forner Cordero, A., Koopman, H.J.F.M., van der Helm, F.C.T.

“…A method to calculate the complete ground reaction force (GRF) components from the vertical GRF measured with pressure insoles is presented and validated. With…”
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