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Alterations in morphology and aerobic resistance of rats subjected to different physical training protocols / Alteraciones en la morfología y resistencia aeróbica de animales sometidos a diferentes protocolos de entrenamiento
Castoldi, Robson Chacon; Magalhães, Alan José Barbosa; Ozaki, Guilherme Akio Tamura; Koike, Tatiana Emy; Garcia, Thiago Alves; Camargo, Regina Celi Trindade; Belangero, William Dias; Filho, José Carlos Silva Camargo.
  • Castoldi, Robson Chacon; Oeste Paulista University. Department of Physical Education. BR
  • Magalhães, Alan José Barbosa; Campinas State University. Department of Orthopedy and Traumatology. BR
  • Ozaki, Guilherme Akio Tamura; Campinas State University. Department of Orthopedy and Traumatology. BR
  • Koike, Tatiana Emy; Paulista State University "Júlio de Mesquita Filho". Department of Physiotherapy. BR
  • Garcia, Thiago Alves; Campinas State University. Department of Orthopedy and Traumatology. BR
  • Camargo, Regina Celi Trindade; Paulista State University "Júlio de Mesquita Filho". Department of Physiotherapy. BR
  • Belangero, William Dias; Campinas State University. Department of Orthopedy and Traumatology. BR
  • Filho, José Carlos Silva Camargo; Paulista State University "Júlio de Mesquita Filho". Department of Physiotherapy. BR
Int. j. morphol ; 36(4): 1472-1479, Dec. 2018. graf
Article in English | LILACS | ID: biblio-975724
ABSTRACT
The objective of this study was to investigate the alterations in morphology and aerobic resistance of rats subjected to different physical training protocols. The study consisted of 55 rats of the "Wistar" breed, 100 days of age, over a period of 8 weeks. The animals were randomly distributed between four groups control (CTLE); neuromuscular anaerobic (TAN); aerobic (TAE) and concurrent training (TCc). After four weeks, some of the animals were euthanized. The body mass index (BMI), Lee index (Lee), epididymal adipose tissue (TecAdp), body weight, and feed efficiency ratio (CoefAlim) were measured. The Anaerobic Threshold was determined by critical workload (7 %, 9 % and 11 % of body weight). TAE and TCc training caused alterations in Lee and BMI, at four and eight weeks respectively (LeeTAE=X2.86±0.08; X2.89±0.07 and LeeTCc=X2.85±0.05; X3.00±0.09). For the TecAdp, all groups presented a decrease, with the TCc value down after eight weeks (X1.77±0.32). Finally, TAN training improved the CoefAlim (X31.57±3.70) after the eight week period and the TCc presented the highest value for Lan (X7.10±0.80).
RESUMEN
El objetivo de este estudio fue investigar las alteraciones en la morfología y la resistencia aeróbica de animales sometidos a diferentes protocolos de entrenamiento. Se analizaron 55 ratas macho "Wistar" de 100 días de edad, durante un período de ocho semanas. Los animales fueron separados aleatoriamente en cuatro grupos grupo control (CTLE); entrenamiento anaerobio neuromuscular (TAN); entrenamiento aerobio (TAE) y entrenamiento concurrente (TCc). Al término de cuatro semanas, algunos de los animales fueron sacrificados. Se midieron índice de masa corporal (IMC), índice de Lee (Lee) y tejido adiposo del epidídimo (TecAdp), masa corporal y coeficiente de la eficacia alimentaria (CoefAlim). El umbral anaerobio (Lan) fue determinado por la carga crítica de trabajo (11, 9 y 7 % de la masa corporal). El entrenamiento TAE e TCc provocó alteraciones de Lee e IMC, en los períodos de cuatro y ocho semanas, respectivamente (LeeTAE=X2,86±0,08; X2,89±0,07 y LeeTCc=X2,85±0,05; X3,00±0,09). En relación a TecAdp, se observó una disminución en todos los grupos. Por último, el entrenamiento TAN mejoró en el período de ocho semanas para la variable CoefAlim (X31,57±3,70) y el TCc con un valor mayor de Lan (X7,10±0,80).
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Full text: Available Index: LILACS (Americas) Main subject: Physical Endurance / Body Weight / Exercise / Body Mass Index / Adipose Tissue Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Campinas State University/BR / Oeste Paulista University/BR / Paulista State University "Júlio de Mesquita Filho"/BR

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Full text: Available Index: LILACS (Americas) Main subject: Physical Endurance / Body Weight / Exercise / Body Mass Index / Adipose Tissue Limits: Animals Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: Campinas State University/BR / Oeste Paulista University/BR / Paulista State University "Júlio de Mesquita Filho"/BR