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Ultrasonography as an ancillary method for the positioning of markers in equine motion analysis / Utilização da ultrassonografia como método auxiliar no posicionamento de marcadores em análise de movimento de equinos
Gomes, Luanna Ferreira Fasanelo; Hagen, Stefano Carlo Filippo; Barros, Ricardo Machado Leite de; Queiroz-Neto, Antônio de.
  • Gomes, Luanna Ferreira Fasanelo; Universidade Federal do Mato Grosso. Instituto de Ciências da Saúde. Sinop. BR
  • Hagen, Stefano Carlo Filippo; Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia. São Paulo. BR
  • Barros, Ricardo Machado Leite de; Universidade Estadual de Campinas. Instituto de Educação Física. Campinas. BR
  • Queiroz-Neto, Antônio de; Universidade Estadual Paulista. Faculdade de Agricultura e Ciências Veterinárias. Jaboticabal. BR
Braz. j. vet. res. anim. sci ; 51(1): 24-29, 2014.
Article in English | LILACS | ID: lil-724360
RESUMO
Kinematic motion analysis is based on the reconstruction of selected bony anatomical landmarks identified by surface markers. Anatomical landmarks generally do not correspond to points but rather to relatively large and curved areas and their identification by palpation is not easy. Precise placement of surface markers is even more difficult and there is great variability between operators. In this study 16 examiners were asked to identify the lateral border of the left ischial tuberosity in a horse using palpation and ultrasonography for placement of a corresponding skin surface marker. Images of each marking procedure were captured using two video cameras and processed using the DVideow videogrammetry. A custom-written Matlab code was used to determine the position of the respective vectors. The positions of the markers were then compared to assess inter-examiner variability and the precision of the methods employed using the Bartlett test and the paired t-test respectively. Ultrasonography significantly improved the location of the anatomical landmark by each examiner (p = 0.04) and reduced the variability in the position of the surface marker when compared to palpation (p = 0.0028). The variability of the calculated distances (mean ± SD) was 2.89 ± 2.24 cm and 1.63 ± 0.98 cm using palpation and ultrasonography respectively. Ultrasound guidance reduced inter-examiner variability and allowed visualization of the corresponding bony anatomical landmark.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Palpation / Biomechanical Phenomena / Ultrasonography / Locomotion Type of study: Diagnostic study / Practice guideline Limits: Animals Language: English Journal: Braz. j. vet. res. anim. sci Journal subject: Veterinary Medicine Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual Paulista/BR / Universidade Estadual de Campinas/BR / Universidade Federal do Mato Grosso/BR / Universidade de São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Palpation / Biomechanical Phenomena / Ultrasonography / Locomotion Type of study: Diagnostic study / Practice guideline Limits: Animals Language: English Journal: Braz. j. vet. res. anim. sci Journal subject: Veterinary Medicine Year: 2014 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual Paulista/BR / Universidade Estadual de Campinas/BR / Universidade Federal do Mato Grosso/BR / Universidade de São Paulo/BR