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Type: Artigo de periódico
Title: Proposition and Evaluation of a Novel Method Based on Videogrammetry to Measure Three-Dimensional Rib Motion During Breathing
Author: Sarro, KJ
Silvatti, AP
Aliverti, A
Barros, RML
Abstract: A novel method based on kinematical analysis is proposed to describe the three-dimensional motion of the ribs during breathing. The three-dimensional coordinates of markers on the fibs and vertebrae were used to calculate the orientation of the ribs as a function of time. A test measured the relative motion between the markers and the fibs using magnetic resonance and the results revealed that the skin motion artifact found for the fibs (absolute mean value 3.9 mm) would induce maximum errors of 4 degrees on rib motion calculation. The method identified a signal coherent with the breathing cycle for the angles of the fibs around the mediolateral axis and was also able to show differences between healthy nonathletes and swimmers, which presented greater angular variation of the ribs (p < .05). In conclusion, this study has shown the reliability of using three-dimensional kinematic analysis to evaluate the movement of the ribs during breathing as well as its potential to identify differences in the behavior of the fib motion in trained swimmers and untrained healthy subjects.
Subject: rib motion
Country: EUA
Editor: Human Kinetics Publ Inc
Citation: Journal Of Applied Biomechanics. Human Kinetics Publ Inc, v. 25, n. 3, n. 247, n. 252, 2009.
Rights: fechado
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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