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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/8703

Title: A multisegment dynamic model of ski jumping
Authors: Hubbard, Mont
Hibbard, Robin L.
Yeadon, Maurice R.
Komor, Andrzej
Issue Date: 1989
Publisher: © Human Kinetics
Citation: HUBBARD, M. ... et al, 1989. A multisegment dynamic model of ski jumping. Journal of Applied Biomechanics (formerly International Journal of Sport Biomechanics), 5 (2), pp. 258-274.
Abstract: This paper presents a planar, four-segment, dynamic model for the flight mechanics of a ski jumper. The model consists of skis, legs, torso and head, and anns. Inputs include net joint torques that are used to vary the relative body configurations of the jumper during fiight. The model also relies on aerodynamic data from previous wind tunnel tests that incorporate the effects of varying body configuration and orientation on lift, drag, and pitching moment. A symbolic manipulation program, "Macsyma," is used to derive the equations of motion automatically. Experimental body segment orientation data during the fiight phase arc presented for three ski jumpers which show how jumpers of varying ability differ in flight and demonstrate tlie need for a more complex analytical model than that previously presented in the literature. Simulations are presented that qualitatively match the measured trajectory for a good jumper. The model can be used as a basis for the study of optimal jumper behavior in fiight which maximizes jump distance.
Version: Published
URI: https://dspace.lboro.ac.uk/2134/8703
Publisher Link: http://journals.humankinetics.com/JAB
ISSN: 1065-8483
1543-2688
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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