Spherical Angular Analysis for Pelvis Coordination Assessment on Modified Gait

• Type: Article in International Conference Proceedings Book
• Date: 2019

Authors

Carlos Rodrigues (Author) Other; Miguel Correia (Author) FEUP; João Abrantes (Author) Other; Jurandir Nadal (Author) Other; Marco Benedetti (Author) Other

Conference proceedings International

Title: WORLD CONGRESS ON MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING 2018, VOL 2

Pages: 761-765

IUPESM World Congress on Medical Physics and Biomedical Engineering

Prague, CZECH REPUBLIC, JUN 03-08, 2018

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Other information

Authenticus ID: P-00P-SWH

DOI: 10.1007/978-981-10-9038-7_141

Abstract (EN): This study presents and applies 3D spherical angular analysis in relation with 2D polar coordinates to assess anatomic pelvic movement on modified gait, namely stiff knee (SKG) gait and slow running (SR) comparing with normal gait (NG). Subject specific analysis was performed of an adult healthy male based on inverse kinematics from in vivo and noninvasive capture at human movement lab of reflective markers position from pelvis anatomical selected points with Qualisys camera system during a complete stride of NG, SKG and SR. Radial distance (R), pitch (psi) and azimuth (lambda) angular phases were computed from pelvic angle-angle diagrams (theta(T), theta(C), theta(S)) at transverse (T), coronal (C) and sagittal (S) planes, and angular phase (phi) and planar radial distance (r) polar coordinates computed from pelvic angle-angle diagrams projections at cartesian planes (theta(T), theta(C)), (theta(T), theta(S)), (theta(C), theta(S)). Average radial distances and phase standard deviation were assessed on spherical and polar coordinates.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 5