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Vol. 54. Issue 204.
Pages 131-138 (October - December 2019)
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Vol. 54. Issue 204.
Pages 131-138 (October - December 2019)
Original Article
DOI: 10.1016/j.apunts.2019.11.001
Resistance exercise on two consecutive days induces cortisol, CK, IgA responses in active young males
Ejercicio de resistencia en dos días consecutivos induce respuestas a cortisol, CK, IgA en hombres jóvenes activos
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Hamid Arazia,
Corresponding author
hamidarazi@yahoo.com

Corresponding author.
, Ehsan Eghbalia, Katsuhiko Suzukib, Meysam Mahdavia
a Department of Exercise Physiology, Faculty of Sports Sciences, University of Guilan, Rasht 1438, Iran
b Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa 359-1192, Japan
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Table 1. Subject characteristics.
Table 2. Results of ANCOVA.
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Abstract
Background

Reduction in recovery time may prevent physiological variables from returning to pre exercise levels; therefore, it is likely that the athletes will have a decrease in immune response and experience increased stress. The purpose of the current study was to examine whether two consecutive or non-consecutive days of circuit resistance exercise (CRE) on cortisol, creatine kinase (CK) and immunoglobulin A (IgA) responses in active young men.

Methods

Ten healthy male university students (22.25±1.61 years) performed two consecutive days of circuit resistance exercise (TCD-CRE) and two non-consecutive days of circuit resistance exercise (TNCD-CRE). Participants performed CRE at 75% of their one-repetition maximum (1RM). Blood and saliva samples were taken during baseline and immediately after exercise and analyzed for serum CK activity and salivary concentrations of cortisol and IgA.

Results

Based on the results, there were significant increases in cortisol and CK at post as compared with pre in the TCD-CRE group (P˂0.001, P=0.001). Also, a significant increase in cortisol at post as compared with pre in the TNCD-CRE group was observed (P˂0.001). Additionally, the level of IgA was significantly reduced post exercise when compared to pre value in the TCD-CRE group (P=0.011). On the contrary, there were no significant changes in concentrations of IgA and CK activity in the TNCD-CRE group (P=0.11, P=0.24). Moreover, there were statistically significant differences in cortisol and CK between the groups (P=0.001, P=0.002).

Conclusion

Based on these data, TCD-CRE causes more immunological responses, and thus may lead to trauma. It seems that there is a need for a 48-h recovery between exercise sessions to prevent the decrease in immune function by CRE.

Keywords:
Circuit resistance training
Catabolic hormone
Creatine kinase
Immune response
Resumen
Antecedentes

La reducción del tiempo de recuperación puede impedir que las variables fisiológicas vuelvan a los niveles anteriores al ejercicio; por lo tanto, es probable que los atletas tengan una disminución en la respuesta inmunológica y experimenten mayor estrés. El propósito del presente estudio fue examinar si dos días consecutivos o no consecutivos de ejercicio de resistencia de circuito (CRE) en las respuestas de cortisol, creatina cinasa (CK) e inmunoglobulina A (IgA) en hombres jóvenes activos.

Métodos

Diez estudiantes universitarios varones sanos (22,25±1,61 años) realizaron dos días consecutivos de ejercicios de resistencia de circuito (TCD-CRE) y dos días no consecutivos de ejercicios de resistencia de circuito (TNCD-CRE). Los participantes realizaron la CRE al 75% de su máximo de una repetición (1RM). Se tomaron muestras de sangre y saliva durante el estudio inicial e inmediatamente después del ejercicio y se analizaron para determinar la actividad de la CK en suero y las concentraciones salivales de cortisol e IgA.

Resultados

En base a los resultados, hubo aumentos significativos en el cortisol y la CK en el post con respecto a los anteriores en el grupo de ETCRE (P˂0.001, P=0.001). Además, se observó un aumento significativo del cortisol en el período posterior al tratamiento en comparación con el período anterior en el grupo TNCD-CRE (P˂0.001). Además, el nivel de IgA se redujo significativamente después del ejercicio en comparación con el valor previo en el grupo TCD-CRE (P=0,011). Por el contrario, no hubo cambios significativos en las concentraciones de actividad de IgA y CK en el grupo TNCD-CRE (P=0.11, P=0.24). Además, hubo diferencias estadísticamente significativas de cortisol y CK entre los grupos (P=0,001; P=0,002).

Conclusión

Basado en estos datos, el TCD-CRE causa más respuestas inmunológicas, y por lo tanto puede llevar a un trauma. Parece que hay una necesidad de una recuperación de 48 horas entre sesiones de ejercicio para prevenir la disminución de la función inmunológica por parte de la CRE.

Palabras clave:
Entrenamiento de resistencia a los circuitos
Hormona catabólica
Creatina cinasa
Respuesta inmunitaria

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