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Medicina dello Sport 2017 September;70(3):266-81

DOI: 10.23736/S0025-7826.17.02861-7

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English, Italian

A speed-endurance training to improve aerobic, anaerobic capacity, and fat oxidation of four groups of athletes

Juan M. RAMÍREZ 1, Víctor M. NÚÑEZ 1, Carolina LANCHO 1, 2, María S. POBLADOR 1, José L. LANCHO 1

1 Department of Morphological Sciences, School of Medicine, University of Córdoba, Córdoba, Spain; 2 Rehabilitation Service, University Hospital Donostia, Donostia, Spain


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BACKGROUND: The high-intensity interval training (HIIT) is a type of training characterized by successive short periods of intense activity with short periods of active rest between them. Athletes from different disciplines could highly benefit from speed-endurance training (anaerobic modality of HIIT). The overall aim was to assess the effect of a HIIT protocol (speed-endurance training) on aerobic, anaerobic capacity, and body composition of four groups of athletes (athletics, basketball, cycling and soccer).
METHODS: A four group pretest-post-test experimental design was conducted. Forty-four athletes (athletics: N.=12; basketball: N.=8; cycling: N.=11; soccer: N.=13) were evaluated before and after an eight week training program with two weekly sessions of sprint-endurance intervals training at maximum velocity alternating with decreasing active recovery periods (1:2, 1:1, 2:1). VO2, anaerobic threshold (VO2At), BMI, fat mass, and fat free mass were measured.
RESULTS: Espirometric post-training measures show an increased aerobic and anaerobic capacity in all groups. VO2 increased between 0.8-6.5%, with greater efficacy in basketball players. VO2At increased between 5.8-9.7%, with no differences between groups. In regards to anthropometric values, a decrease in all body composition outputs has been found, but effect size shows a small experimental relevance.
CONCLUSIONS: Decreasing active recovery periods HIIT (speed-endurance training) significantly increases aerobic and anaerobic capacity, as well as improving muscle mechanisms of fat oxidation in all groups of athletes.


KEY WORDS: High-intensity interval training - Exercise test - Athletic performance

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