Monitoring muscle damage markers during a four-week downhill walking exercise program

Eccentric-based exercise is known to induce muscle damage (MD). The purpose of this study was to investigate effect of downhill walking (DW) sessions on MD and aerobic markers in young adults. Eight male subjects were submitted to a 4-week DW periodized exercise program. Subjects' soreness (SOR...

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Bibliographic Details
Authors: Rabello de Lima, Leonardo Coelho [UNESP], Oliveira, Thiago Pires de [UNESP], Dias de Oliveira, Felipe Bruno [UNESP], Assumpcao, Claudio de Oliveira [UNESP], Greco, Camila Coelho [UNESP], Denadai, Benedito Sergio [UNESP]
Format: article
Status:Published version
Publication Date:2013
Country:Brasil
Institution:Universidade Estadual Paulista (UNESP)
Repository:Repositório Institucional da UNESP
Language:English
OAI Identifier:oai:repositorio.unesp.br:11449/112799
Online Access:http://dx.doi.org/10.1590/S1980-65742013000400006
http://hdl.handle.net/11449/112799
Access Level:Open access
Keyword:downhill walking
muscle damage
training
Description
Summary:Eccentric-based exercise is known to induce muscle damage (MD). The purpose of this study was to investigate effect of downhill walking (DW) sessions on MD and aerobic markers in young adults. Eight male subjects were submitted to a 4-week DW periodized exercise program. Subjects' soreness (SOR) was assessed each training day. Serum creatine quinase activity (CK) was collected before the first training session, and at the end of each of the four weeks. Oxygen uptake (VO2) and perceived exertion (PE) were assessed during the last training session every week. Increases in SOR were found only at the third and fourth training days. Increased CK concentration was found at the third training week. No significant increases in VO2 and PE were found throughout the program. We concluded that DW sessions elicit significant MD, but not enough to impair it in further sessions. Therefore, DW can be used as a training protocol following proper periodization.