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Titel
The influence of external perturbations on running kinematics and muscle activity before and after accomodation / Anita Haudum, Jürgen Birklbauer and Erich Müller
VerfasserHaudum, Anita ; Birklbauer, Jürgen In der Gemeinsamen Normdatei der DNB nachschlagen ; Müller, Erich In der Gemeinsamen Normdatei der DNB nachschlagen
Erschienen in
Journal of Sports Science and Medicine, Bursa, 2012, Jg. 11, H. 4, S. 582-591
ErschienenUniversity of Uludag, 2012
UmfangDiagramme, Illustrationen
SpracheEnglisch
DokumenttypAufsatz in einer Zeitschrift
Schlagwörter (EN)Adaptation / Variability / Joint coordination / Tube constraints
ISSN1303-2968
URNurn:nbn:at:at-ubs:3-454 Persistent Identifier (URN)
Zugriffsbeschränkung
 Das Werk ist frei verfügbar
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The influence of external perturbations on running kinematics and muscle activity before and after accomodation [0.97 mb]
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Zusammenfassung (Englisch)

In the current study, the running pattern of the lower extremity was examined while being perturbed through tubes attached between the ankles and the lower back to analyze influences on the running pattern variability before and after a varied running intervention. 3D-kinematics, joint coupling and electromyography EMG), as well as their variability, were analyzed in ten healthy male participants during treadmill running (10.5 km·h-1).Pre- and post-tests each consisted of 2 x 30 min treadmill running(one with and one without tubes). The results showed major acute effects on EMG and kinematics, as well as joint coordination variability, due to the constraints (p < 0.05). After the intervention, a process of normalization of most kinematic and EMG parameters occurred; however, EMG variability, kinematic variability and joint coordination variability were reduced during tube running below normal running level (p < 0.05). The findings further indicate rapid kinematic adaptations while muscle activity appears to require longer practice to adapt.The constraint serves to acutely increase variability, but may lead to reduced riability when applied for a longer period of time.

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