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The effect of endurance training on the neovascularization of skeletal musculature
Carvalho, Celina Cordeiro de; Maux, Danielle Augusta de Sá Xerita; Tashiro, Tetsuo; Moraes, Sílvia Regina Arruda de.
  • Carvalho, Celina Cordeiro de; UFPE. Recife. BR
  • Maux, Danielle Augusta de Sá Xerita; UFPE. Recife. BR
  • Tashiro, Tetsuo; UFPE. Department of Physical Education. Recife. BR
  • Moraes, Sílvia Regina Arruda de; UFPE. Department of Anatomy. Recife. BR
Acta cir. bras ; 21(6): 398-401, Nov.-Dec. 2006. ilus, graf
Article in English | LILACS | ID: lil-440747
ABSTRACT

PURPOSE:

To quantify the capillaries in the skeletal muscular tissue of mice with induced peripheral arterial insufficiency, after endurance training.

METHOD:

It was used Wistar mice in 70 days age range, subjected to the total occlusion of right femoral artery. The animals were divided into two groups sedentary group (SG; n = 05), subjected to activities in the cage; and trained group (TG; n = 05), subjected to an endurance training in cycle ergometer twice a day 17m/min, by 5 minutes, 5 days per week during 10 weeks. The analysis was realized by the histologic observation of the vastus medialis muscle of injured member.

RESULTS:

The average number of capillaries in the muscular tissue was greater in TG (5,2 ± 0,83) than in SG (1,6 ± 1,14) (p < 0,05).

CONCLUSION:

In animals with induction of peripheral arterial insufficiency, the endurance training provides a process of muscular adaptation which is observed by the increase in the number of capillaries of animals subjected to this kind of training.
RESUMO

OBJETIVO:

Quantificar os capilares no tecido muscular esquelético em ratos com insuficiência arterial periférica induzida, após treinamento de endurance.

MÉTODOS:

Foram utilizados ratos Wistar, idade de 70 dias, submetidos à oclusão total da artéria femoral direita. Os animais foram divididos em grupo sedentário (GS; n = 05), submetidos a atividades na própria gaiola; e grupo treinado (GT; n = 05), submetidos ao treinamento de endurance em ciclo ergômetro, duas vezes ao dia, 17 m/min, por 5 minutos, 5 dias por semana, durante 10 semanas. A análise foi realizada pela observação histológica do músculo vasto medial do membro afetado.

RESULTADOS:

O número médio de capilares no tecido muscular foi de 5,2 ± 0,837 (p < 0,05) no GT e de 1,6 ± 1,140 no GS.

CONCLUSÃO:

Em animais com indução da insuficiência arterial periférica, submetidos ao treinamento de endurance, há um processo de adaptação muscular, observado pelo aumento do número de capilares nos animais submetidos a esse tipo de treinamento.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Physical Endurance / Muscle, Skeletal / Neovascularization, Physiologic Type of study: Prognostic study Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: UFPE/BR

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Full text: Available Index: LILACS (Americas) Main subject: Physical Endurance / Muscle, Skeletal / Neovascularization, Physiologic Type of study: Prognostic study Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2006 Type: Article Affiliation country: Brazil Institution/Affiliation country: UFPE/BR