NDLI: Quasistatic model of the knee during exercises

Content Provider	IEEE Xplore Digital Library
Author	Naiquan Zheng Fieisig, G.S. Escamilla, R.F. Barrentine, S.W.
Copyright Year	1997
Description	Author affiliation: American Sports Med. Inst., Birmingham, AL, USA (Naiquan Zheng)
Abstract	A planar quasistatic analytical model of the knee joint was developed, taking into account the muscle activities during knee exercises, lines of action of muscle groups and cruciate ligaments. Tibiofemoral, patellofemoral compressive forces and cruciate ligaments' tensions were determined by using resultant force and torque at the knee and muscle forces estimated by the model with the orientations and lever arms of the muscles and ligaments selected from the literature. An optimization program was used to minimize the errors caused by the estimation of the muscle forces. The model was used in a ten-subject study of open and closed kinetic chain exercises. In this study, resultant force and torque at the knee during exercise were determined by a three-dimensional motion analysis system and a kinetic model using the principles of inverse dynamics. It was concluded that the predictions of the model agreed well with experiments described in the literature.
Starting Page	147
Ending Page	150
File Size	443819
Page Count	4
File Format	PDF
ISBN	0780338693
ISSN	10864105
DOI	10.1109/SBEC.1997.583235
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-04-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Knee Muscles Ligaments Kinetic theory Predictive models Mathematical model Bones Equations Torque Motion analysis
Content Type	Text
Resource Type	Article

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