Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/97028
Type: Artigo de periódico
Title: The Effects Of Physical Fitness And Body Composition On Oxygen Consumption And Heart Rate Recovery After High-intensity Exercise
Author: Campos E.Z.
Bastos F.N.
Papoti M.
Freitas Junior I.F.
Gobatto C.A.
Balikian Junior P.
Abstract: The aim of this study was to investigate the potential relationship between excess post-exercise oxygen consumption (EPOC), heart rate recovery (HRR) and their respective time constants (tvo 2 and t HR) and body composition and aerobic fitness (VO 2max) variables after an anaerobic effort. 14 professional cyclists (age=28.4±4.8 years, height=176.0±6.7 cm, body mass=74.4±8.1 kg, VO 2max=66. 8±7.6 mL·kg 1·min 1) were recruited. Each athlete made 3 visits to the laboratory with 24 h between each visit. During the first visit, a total and segmental body composition assessment was carried out. During the second, the athletes undertook an incremental test to determine VO 2max. In the final visit, EPOC (15-min) and HRR were measured after an all-out 30 s Wingate test. The results showed that EPOC is positively associated with % body fat (r=0.64), total body fat (r=0.73), fat-free mass (r=0.61) and lower limb fat-free mass (r=0.55) and negatively associated with HRR (r= 0.53, p<0.05 for all). HRR had a significant negative correlation with total body fat and % body fat (r= 0.62, r= 0.56 respectively, p<0.05 for all). These findings indicate that VO 2max does not influence HRR or EPOC after high-intensity exercise. Even in short-term exercise, the major metabolic disturbance due to higher muscle mass and total muscle mass may increase EPOC. However, body fat impedes HRR and delays recovery of oxygen consumption after effort in highly trained athletes. © 2012 Georg Thieme Verlag KG Stuttgart New York.
Editor: 
Rights: aberto
Identifier DOI: 10.1055/s-0031-1295442
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84864742387&partnerID=40&md5=bc27f804ea5a2d4f47c4b321f1c9810a
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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