Zusammenfassung
Studienziel: Die klinische Untersuchung ermöglicht keine objektivierbare und quantifizierbare
Beurteilung der dreidimensionalen Schulterfunktion. Basierend auf der instrumentellen
Ganganalyse wurde die dreidimensionale, quantitative Bewegungsanalyse für die oberen
Extremitäten entwickelt. Es ist das Ziel der Arbeit, erstmals die Ergebnisabhängigkeit
der Bewegungsanalyse von Probandengeschlecht und Seitendominanz zu untersuchen. Methode: 16 Probanden (8 männlich/8 weiblich, Durchschnittsalter 26 Jahre) wurden eingeschlossen.
Die dreidimensionale Analyse erfolgte mittels eines videobasierten Systems mit passiven
Markern. Jeder Proband führte zwei Bewegungsaufgaben des alltäglichen Lebens („Nackengriff“,
„Parkschein entnehmen“) aus. Zur Beurteilung der Bewegungsmuster wurden die Gelenkwinkelverläufe
der einzelnen Gelenke ermittelt, grafisch dargestellt und mittels quantitativer Parameter
näher analysiert. Ergebnisse: Die Bewegungstests zeigten in allen Gelenken spezifische Bewegungsmuster. Beim Nackengriff
ließ sich entgegen der Annahme eine Innen- statt einer Außenrotationsbewegung im Schultergelenk
zeigen. Frauen führten manche Bewegungen insbesondere in der Start- und Endphase schneller
und bei Wiederholungen insgesamt mit einer größeren Ähnlichkeit als Männer durch.
Eine Abhängigkeit der Bewegungsreproduktion von der Dominanz ließ sich nur in wenigen
Bewegungen erkennen. Schlussfolgerung: Die dreidimensionale Bewegungsanalyse der oberen Extremität ermöglicht eine exakte
Darstellung von Bewegungsmustern und quantitativen Parametern bei dynamischen Bewegungsaufgaben
des Alltags. Bei weiterführenden Untersuchungen müssen die dargestellten Unterschiede
bezüglich des Geschlechts und der Dominanz vor dem Hintergrund der speziellen Testaufgabe
berücksichtigt werden.
Abstract
Aim: Clinical assessment does not provide objective and quantitative evaluation of the
shoulder function. Based on instrumental gait analysis a system for three-dimensional
motion analysis of the upper extremities has been developed. The aim of this study
is to evaluate the results of instrumental upper extremity motion analysis with respect
to dependence on sex and side dominance. Method: 16 healthy subjects (8 male, 8 female, mean age 26 years) were included. Three-dimensional
motion analysis was carried out with a video-based system and passive markers. All
subjects performed two movement tasks representing activities of daily living (task
A: reaching the neck, task B: removing a parking token). All joint angles of the upper
extremity were recorded and graphically displayed. Additionally, a calculation of
quantitative parameters was performed. Results: Contrary to expectations the task “reaching the neck” was not combined with external
shoulder rotation. Females performed most of the tasks quicker and with higher reproduction
accuracy. Movement reproduction accuracy was rarely dependent on dominance. Conclusion: Three-dimensional upper extremity motion analysis of activities of daily living allows
a precise and quantitative evaluation of movement patterns. The differences with respect
to sex and side in a healthy group have to be respected in studies dealing with comparative
shoulder function.
Abstract
Aim: Clinical assessment does not provide objective and quantitative evaluation of the
shoulder function. Based on instrumental gait analysis a system for three-dimensional
motion analysis of the upper extremities has been developed. The aim of this study
is to evaluate the results of instrumental upper extremity motion analysis with respect
to dependence on sex and side dominance. Method: 16 healthy subjects (8 male, 8 female, mean age 26 years) were included. Three-dimensional
motion analysis was carried out with a video-based system and passive markers. All
subjects performed two movement tasks representing activities of daily living (task
A: reaching the neck, task B: removing a parking token). All joint angles of the upper
extremity were recorded and graphically displayed. Additionally, a calculation of
quantitative parameters was performed. Results: Contrary to expectations the task “reaching the neck” was not combined with external
shoulder rotation. Females performed most of the tasks quicker and with higher reproduction
accuracy. Movement reproduction accuracy was rarely dependent on dominance. Conclusion: Three-dimensional upper extremity motion analysis of activities of daily living allows
a precise and quantitative evaluation of movement patterns. The differences with respect
to sex and side in a healthy group have to be respected in studies dealing with comparative
shoulder function.
Schlüsselwörter
Schulter - dreidimensional - Bewegungsmuster - Bewegungsanalyse
Key words
shoulder - three‐dimensional analysis - motion analysis - motion pattern
Key words
shoulder - three‐dimensional analysis - motion analysis - motion pattern
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PD Dr. Ralf Müller-Rath
Klinik für Orthopädie und Unfallchirurgie Universitätsklinik der RWTH Aachen
Pauwelsstraße 30
52074 Aachen
Telefon: 02 41/8 00
Fax: 02 41/8 08 25 07
eMail: mueller-rath@opn-neuss.de