title: [A three-dimensional goniometer linkage system for the analysis of movement with six degrees of freedom].
abstract: A measuring system for the determination of the six degrees of freedom of three-dimensional movements is described. The main advantages of this goniometer linkage system are ease of handling and good cost-quality relationship. For small movements it has an accuracy of about 0.1 mm and 0.1 degree. Six potentiometers are rod-linked in such a way that the system can follow any movement, unconstrained. From the rotation of the potentiometers, the spatial movement of two solid bodies can be calculated by a computer. The reliability of the system has been demonstrated in several in vitro and in vivo applications.
authors.affiliation: Abteilung für Unfallchirurgische Forschung und Biomechanik, Universität Ulm.
authors.forename: H J
authors.initials: HJ
authors.lastname: Wilke
authors.forename: G
authors.initials: G
authors.lastname: Ostertag
authors.forename: L
authors.initials: L
authors.lastname: Claes
mesh_terms: D001696:Biomechanical Phenomena; D001863:Bone Screws; D005593:Fracture Fixation, Internal; D006620:Hip Fractures / Q000503:physiopathology* / Q000601:surgery; D006801:Humans; D007593:Joint Instability / Q000503:physiopathology / Q000601:surgery; D016059:Range of Motion, Articular / Q000502:physiology*; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D016103:Spinal Fractures / Q000503:physiopathology* / Q000601:surgery; D013123:Spinal Fusion
vernacular_title: Dreidimensionales Goniometermesssystem zur Analyse von Bewegungen mit sechs Freiheitsgraden.