PhD Tesis
L.G. Lemmers (1994): The UFITT prosthesis - An open through-knee prosthesis with adjustable stabilisation. PhD-thesis, University of Twente, Enschede. Promotoren: prof.ir. J.C. Cool, prof.dr. J. de Vries, 16 juni 1994, 157 pp. ISBN 90-9007201-2
Refereed International Journal Papers
M. Keja, H.W. Wevers, D. Siu, H. Grootenboer (1994): Relative motion at the bone-prosthesis interface. Clinical Biomechanics 9-5, pp.275-283
K. Postema, H.J. Hermens, J. de Vries, G. Zilvold, W.H. Eisma (1994): Methodologic errors in rehabilitation research. Journal of Rehabilitation Sciences 7 (Sept), pp. 57-59
K. Postema, H.J. Hermens, J. de Vries, G. Zilvold, H.J. Grootenboer, H.F.J.M. Koopman, W.H. Eisma (1994): Energy storing properties of four types of prosthetic feet. Journal of Rehabilitation Sciences 7 (Sept), pp. 49-54
K. Postema, H.J. Hermens, J. de Vries, G. Zilvold, W.H. Eisma (1994): Some issues and doubts on questionnaires. Journal of Rehabilitation Sciences 7 (Sept), pp. 63-65
G.J. Verkerke, H. Schafford Koops, R.P.H. Veth, H.J. Grootenboer, L.J. de Boer, J. Oldhoff, A. Postma (1994): Development and test of an extendable endoprosthesis for bone reconstruction in the leg. The international Jopurnal of artificial organs 17-3, pp.155-162
J. de Vries (1994): Rheuma und Orthesen: Hart oder Weich? Orthopädie Technik 6/94, pp. 550-558
Congres Papers
D. van de Belt, H.F.J.M. Koopman, H.J. Grootenboer (1994): Simulation of walking with a direct dynamics computer model. Proceedings, 13-th Benelux meeting on systems and control, Veldhoven, March 2-4, pp. 34, ISBN 90-367-0416-2
D. van de Belt, H.F.J.M. Koopman, H.J. Grootenboer (1994): Direct dynamics computer model for the simulation of walking. Proceedings, Biomedical science and engineering meeting, Garderen, May 18-19, pp. 5-7, ISBN 90-365-0671-9
D. van de Belt, H.F.J.M. Koopman, H.J. Grootenboer (1994): Direct dynamics computer model for the simulation of walking. Proceedings, 2nd World Congress Biomechanics, Amsterdam, July 10-15, pp. II-374, ISBN 90-9007297-7
L.N.H. Goëken, J. Drukker, J. de Vries, H.J. Stam (1994): Proceedings of the congress organised jointly by the Dutch Society for Rehabilitation & Physical Medicine (VRA) and the Advisory Group for the Health Research Promotion Program (SGO), April 22-23, Ede, The Netherlands. Journal of Rehabilitation Sciences 7 (Sept), supplement
H.J. Grootenboer, P.J.H. Hendriks, H.F.J.M. Koopman (1994): Prediction of complete prosthetic walking patterns using a seven segments two-dimensional model. Proceedings, 2nd World Congress Biomechanics, Amsterdam, July 10-15, pp. I-282, ISBN 90-9007297-7
P.J.H. Hendriks (1994): The design of an four-axial kneehinge. Proceedings, Biomedical science and engineering meeting, Garderen, May 18-19, pp. 55-58, ISBN 90-365-0671-9
P.J.H. Hendriks, H.J. Grootenboer, J. de Vries, H.F.J.M. Koopman, L.J.M. van Wezel (1994): The influence of the position of a kneehinge on gait parameters. Proceedings, 2nd World Congress Biomechanics, Amsterdam, July 10-15, pp. I-283, ISBN 90-9007297-7
P.A. Huijing (1994): Parameter choice & succes of skeletal muscle modelling. Proceedings, 2nd World Congress Biomechanics, Amsterdam, July 10-15, pp. II-125, ISBN 90-9007297-7
H.F.J.M. Koopman, H.J. Grootenboer (1994): The effect of the foot shape
in inverse dynamics models for gait analysis. Proceedings, 2nd World Congress
Biomechanics, Amsterdam, July 10-15, pp. I-172, ISBN 90-9007297-7
H.F.J.M. Koopman, H.J. Grootenboer (1994): The accuracy of estimated joint
torques and powers in gait analysis. Proceedings, 2nd World Congress Biomechanics,
Amsterdam, July 10-15, pp. I-172, ISBN 90-9007297-7
H.F.J.M. Koopman, H.J. Grootenboer (1994): Mechanics of walking: 2-dimensional and 3-dimensional modelling. Proceedings, Biomedical science and engineering meeting, Garderen, May 18-19, pp. 83-84, ISBN 90-365-0671-9
H.F.J.M. Koopman, H.J. Grootenboer (1994): Numerical prediction of walking with a stiff knee. Proceedings, 13-th Benelux meeting on systems and control, Veldhoven, March 2-4, pp. 135, ISBN 90-367-0416-2
N.G.A. van Leerdam, J.C. Cool (1994): The UTX-orthosis: an advanced light weight KAFO with intelligent knee stabilization. Proceedings, Biomedical science and engineering meeting, Garderen, May 18-19, pp. 85-86, ISBN 90-365-0671-9
L.G. Lemmers, H.J. Grootenboer, V. Güth, A. Hillmann (1994) Development of rotation plasty prostheses. Proceedings 1st Interreg Symposium, Enschede, November 25, pp. 47-50
G. Nijenbanning, C.H. Venner, H. Moes (1994): Film thickness in elastohydrodynamically lubricated elliptic contacts. Wear 176, pp. 217-229
J.G.M. Thunnissen, H.J. Grootenboer, H.J. de Jongh, H.F.J.M. Koopman (1994): Muscle force prediction during human gait. Proceedings, Biomedical science and engineering meeting, Garderen, May 18-19, pp. 121-124, ISBN 90-365-0671-9
P.H. Veltink, M.P. Koper, H.F.J.M. Koopman (1994): Gait analysis using accelerometers. Proceedings, 2nd World Congress Biomechanics, Amsterdam, July 10-15, pp. II-355, ISBN 90-9007297-7
P.H. Veltink, B.M. Geerdink, H.F.J.M. Koopman, P.A. Huijing, H.B.K. Boom (1994): Control of FES assisted standing-up in paraplegics - the role of mono- and biarticular muscles. Proceedings, IEEE-EMBS 16th Annual International Conference, Baltimore November 3-6, pp. 444-445
P.H. Veltink, B.M. Geerdink, B. Koopman, P. Huijing, G. Baardman, H.B.K.
Boom (1994): The role of biarticular hamstrings muscles in FES-assisted
standing up. Proceedings Engineering Foundation Conference "Neural
Prostheses: Motor Systems IV", Deer Creek, Ohio, July 23-28, pp.
39
G.J. Verkerke, H. Schafford Koops, A. Postma, R.P.H. Veth, H.J. Grootenboer
(1994): Een groeiprothese voor bottumorpatiënten. Kanker, 18-6, pp.
6-9
W. de Vries, M.P. Koper, P.H. Veltink, H.F.J.M. Koopman (1994): Decomposition of accelerometer signals at the lower extremities into gravity and acceleration components during gait. In: P.H. Veltink, R.C. van Lummel (edts): Dynamic analysis using body fixed sensors. Amsterdam, pp. 37-42, ISBN 90-90007328-0
W. de Vries, P.H. Veltink, M.P. Koper, H.F.J.M. Koopman (1994): Calculation of segment and joint angles of the lower extremities using accelerometry. In: P.H. Veltink, R.C. van Lummel (edts): Dynamic analysis using body fixed sensors. Amsterdam, pp. 43-50, ISBN 90-90007328-0
Other
P.A.J.B.M. Huijing (1994): Functionaliteit van het
bewegingsapparaat. Inaugurele rede,
20 januari 1994, Universiteit Twente, Enschede
P.J.H. Hendriks, H.J. Grootenboer, J. de Vries, H.F.J.M. Koopman, L.J.M. van Wezel (1994): Onderzoek knieprothese. De Appel 17 (februari), pp.
P.J.H. Hendriks (1994): Ontwikkeling van een inverse prothese-knie. Voordracht Cert-colloquium, 3 maart, Enschede
P.J.H. Hendriks (1994): Ontwikkeling van een invers kniescharnier. Voordracht TPR-meeting, 9 maart, Utrecht
A. van der Kuy (1994): Aktief skoliose implantaat. Voordracht Cert-colloquium, 8 december, Enschede
L. Lemmers (1994): De UFITT-prothese. Voordracht Cert-colloquium, 3 maart, Enschede
B.J.J.J. van der Linden (1994): Project Spierdynamica - samenvatting DM model. Intern rapport BW 940601, Universiteit Twente, Enschede, 20 pp.
G. Nijenbanning (1994): Actieve orthese voor de wervelkolom. Voordracht Cert-colloquium, 8 december, Enschede