A dynamic model for simulating movements of the elbow, forearm, and wrist Export

@article{citeulike:707311, abstract = {We developed a dynamic model of the upper extremity to simulate forearm and wrist movements. The model is based on the skeletal structure of the arm and is capable of elbow flexion/extension, forearm pronosupination, and wrist flexion/extension and radial/ulnar deviation movements. Movements are produced by activation of a Hill-type model of muscle, and limits on joint motion are imposed by passive moments modeled after experimental results. We investigated the muscle output force sensitivity, as well as wrist flexion/extension motion sensitivity to parameter variations. The tendon slack length and muscle fiber length were found to have the greatest influence on muscle output and flexion/extension wrist motion. The model captured the direction of the moment vectors at the wrist well, but predicted much higher moments than were measured by stimulating the paralyzed muscles of one tetraplegic subject.}, author = {Lemay, Michel A. and Crago, Patrick E.}, citeulike-article-id = {707311}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/0021-9290(96)00026-7}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6T82-3W31350-8/2/d93881eaf2e0be8ce316e7aee77e74dc}, doi = {10.1016/0021-9290(96)00026-7}, journal = {Journal of Biomechanics}, keywords = {anthropometry, arm-control, hill, muscle-model}, month = {October}, number = {10}, pages = {1319--1330}, posted-at = {2006-06-22 14:38:09}, priority = {2}, title = {A dynamic model for simulating movements of the elbow, forearm, and wrist}, url = {http://dx.doi.org/10.1016/0021-9290(96)00026-7}, volume = {29}, year = {1996} }

TY - JOUR ID - citeulike:707311 L3 - citeulike-article-id:707311 N2 - We developed a dynamic model of the upper extremity to simulate forearm and wrist movements. The model is based on the skeletal structure of the arm and is capable of elbow flexion/extension, forearm pronosupination, and wrist flexion/extension and radial/ulnar deviation movements. Movements are produced by activation of a Hill-type model of muscle, and limits on joint motion are imposed by passive moments modeled after experimental results. We investigated the muscle output force sensitivity, as well as wrist flexion/extension motion sensitivity to parameter variations. The tendon slack length and muscle fiber length were found to have the greatest influence on muscle output and flexion/extension wrist motion. The model captured the direction of the moment vectors at the wrist well, but predicted much higher moments than were measured by stimulating the paralyzed muscles of one tetraplegic subject. IS - 10 JF - Journal of Biomechanics EP - 1330 TI - A dynamic model for simulating movements of the elbow, forearm, and wrist VL - 29 SP - 1319 KW - anthropometry KW - arm-control KW - hill KW - muscle-model AU - Lemay, Michel AU - Crago, Patrick PY - 1996/10// UR - http://dx.doi.org/10.1016/0021-9290(96)00026-7 ER -