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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE 

The Journal of Sports Medicine and Physical Fitness 2018 June;58(6):917-22

DOI: 10.23736/S0022-4707.17.07339-X

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Effects of active recovery during interval training on plasma catecholamines and insulin

Harutiun M. NALBANDIAN 1 , Zsolt RADAK 2, Masaki TAKEDA 1

1 Faculty of Health and Sport Sciences, Doshisha University, Kyotanabe, Japan; 2 University of Physical Education, Budapest, Hungary


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BACKGROUND: Active recovery has been used as a method to accelerate the recovery during intense exercise. It also has been shown to improve performance in subsequent exercises, but little is known about its acute effects on the hormonal and metabolic profile. The aim of this research was to study the effects of active recovery on plasma catecholamines and plasma insulin during a high-intensity interval exercise.
METHODS: Seven subjects performed two high-intensity interval training protocols which consisted of three 30-second high-intensity bouts (constant intensity), separated by a recovery of 4 minutes. The recovery was either active recovery or passive recovery. During the main test blood samples were collected and plasma insulin, plasma catecholamines and blood lactate were determined. Furthermore, respiratory gasses were also measured.
RESULTS: Plasma insulin and blood lactate were significantly higher in the passive recovery trial, while plasma adrenaline was higher in the active recovery. Additionally, VO2 and VCO2 were significantly more increased during the active recovery trials.
CONCLUSIONS: These results suggest that active recovery affects the hormonal and metabolic responses to high-intensity interval exercise. Active recovery produces a hormonal environment which may favor lipolysis and oxidative metabolism, while passive recovery may be favoring glycolysis.


KEY WORDS: Hormones - Epinephrine - Norepinephrine - High-intensity interval training

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