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OJVRTM

 Online Journal of Veterinary Research©

Volume 18(2):167-175, 2014. Redacted 2017.

Effect of age and exercise on morphometric structural changes in surface and deep digital flexor tendons of quarter horses.

 

Paula Rodrigues Lopes1(mV), Cinthia Beatriz da Silva Dumont1(DVM), Andre rodrigues da cunha Barreto vianna2(Ms), Renata De Pino Albuquerque Maranhão3(DVM), Fabieni Tiemy Menezes Okiyama1(Ms), Kaique Nogueira1(mV), Eduardo Maurício Mendes de Lima1 (DVM).

 

1 Programa de Pós-Graduação em Saúde Animal, Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília (UnB), ICC Sul, Campus Universitário Darcy Ribeiro, Cx. Postal 4508, Brasília, DF 70910-970,2 Universidade do Estado do Rio de Janeiro, Laboratório de Morfometria, Metabolismo e Doenças Cardiovasculares- LMMC. Blv. 28 de Setembro, 87 Vila Isabel, Rio de Janeiro, 3 Universidade Federal de Minas Gerais, Departamento Clínica e Cirurgia Veterinárias-EV. Av. Antônio Carlos, 6627 Pampulha 30123-970 - Belo Horizonte, MG - Brazil - Caixa-postal: 567. Brazil. E-mail: limaemm@unb.br

 

ABSTRACT

 

Lopez PR, Da Silva Dumont CB, Da Cunha Barreto Vianna AR, De Pino Albuquerque Maranhão R, Menezes Okiyama FT, Nogueira K, Mendes De Lima EM., Effect of age and exercise on morphometric structural changes in surface and deep digital flexor tendons of quarter horses, Onl J Vet Res., 18(2):167-175, 2014.  A study to determine if age and exercise affect ultrasound morphometric structural changes in surface and deep digital flexor tendons of quarter horses is described. Athlete and foal quarter horses were compared for differences in sonographic parameters that demonstrate adaptation to exercise and age. Length of the palmar metacarpal region, transversal and longitudinal diameters, transversal area (TA), parallelism, and echogenicity of the surface (SDFT) and deep digital flexor tendons (DDFT) were evaluated. In transversal images, longitudinal diameters of the athlete SDFT and DDFT were greater as well as the DDFT transversal diameters. In foals, SDFT and TA values were greater whereas in athletes, TA of DDFT was greater. There were no statistical differences for parallelism and echogenicity between any group. There were similarities among tendon dimensions of adult athletes and two year old foals. Since the groups had skeletal maturity, it was not possible to define whether age or, specifically, exercise, were decisive factors in tendon functional and structural changes in the horses.

 

Keywords: Flexor tendons, Ultrasound, Exercise, Foals and athletes.

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