Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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Cagran, C; Huber, P; Müller, W.
Dynamic force measurements for a high bar using 3D motion capturing.
J Biomech. 2010; 43(4): 767-770.
Doi: 10.1016/j.jbiomech.2009.10.035
Web of Science
PubMed
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- Führende Autor*innen der Med Uni Graz
- Cagran Claus Philipp
- Co-Autor*innen der Med Uni Graz
- Huber Philipp Siegfried
- Müller Wolfram
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- Abstract:
- The displacement of a calibrated horizontal bar is used as a measure for forces acting on the bar itself during dynamic performances in artistic gymnastics. The high bar is loaded with known forces and the displacement is monitored by means of a Vicon motion capturing system. The calibration results are fitted according to the Euler-Bernoulli beam theory. After calibration, forces can straightforwardly be measured by multiplication of the bar displacement with the determined fit parameter. This approach is also able to account for non-central force application (two hands on the bar) and the effect of the bar's inertia. Uncertainties in measured forces are assessed to be +/-25 N plus an additional 1% for the unknown weight distribution between the two hands.
- Find related publications in this database (using NLM MeSH Indexing)
- Computer Simulation -
- Elastic Modulus -
- Equipment Failure Analysis -
- Gymnastics - physiology
- Humans -
- Image Interpretation, Computer-Assisted - methods
- Imaging, Three-Dimensional - methods
- Models, Theoretical -
- Reproducibility of Results -
- Sensitivity and Specificity -
- Sports Equipment -
- Stress, Mechanical -
- Find related publications in this database (Keywords)
- Horizontal bar
- Gymnastics
- Force measurement
- Bar inertia
- Motion capturing
- Biomechanics