Damage and the repeated bout effect of arm, leg, and trunk muscles induced by eccentric resistance exercises

Trevor C. Chen, Tsung Jen Yang, Min Jyue Huang, Ho Seng Wang, Kuo Wei Tseng, Hsin Lian Chen, Kazunori Nosaka

Research output: Contribution to journalArticle

Abstract

This study compared nine resistance eccentric exercises targeting arm, leg, and trunk muscles in one session for changes in maximal voluntary isometric contraction strength (MVC), delayed onset muscle soreness (DOMS), plasma creatine kinase (CK) activity, and myoglobin (Mb) concentration after the first and second bouts. Fifteen sedentary men (20-25 years) performed 5 sets of 10 eccentric contractions with 80% of MVC load for the elbow flexors (EF), elbow extensors (EE), pectoralis, knee extensors (KE), knee flexors (KF), plantar flexors (PF), latissimus, abdominis, and erector spinae (ES) in a randomized order and repeated the same exercises 2 weeks later. MVC decreased at 1 (16%-57%) to 4 (13%-49%) days, DOMS developed (peak: 43-70 mm), and CK activity (peak: 23 238-207 304 IU/L) and Mb concentration showed large increases after the first bout. The magnitude of decrease in MVC was greater (P < 0.05) for EF, EE, and PEC than others and for KF than KE, PF, and ES. DOMS was greater (P < 0.05) for EF, EE, and ES than others. Changes in all measures were smaller (P < 0.05) after the second than the first bout, and the magnitude of the repeated bout effect was similar among the muscles. Plasma CK activity and Mb concentration did not increase significantly after the second exercise bout. It was concluded that muscle damage was greater for arm than leg muscles, and muscle proteins in the blood increased to a critical level after unaccustomed whole-body resistance exercises, but the magnitude of damage was largely attenuated for all muscles similarly after the second bout.

Original languageEnglish
Pages (from-to)725-735
Number of pages11
JournalScandinavian Journal of Medicine and Science in Sports
Volume29
Issue number5
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Elbow
Leg
Arm
Exercise
Muscles
Myoglobin
Myalgia
Knee
Creatine Kinase
Isometric Contraction
Muscle Proteins

Keywords

  • creatine kinase activity
  • delayed onset muscle soreness
  • maximal isometric contraction strength
  • protective effect
  • rhabdomyolysis

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Damage and the repeated bout effect of arm, leg, and trunk muscles induced by eccentric resistance exercises. / Chen, Trevor C.; Yang, Tsung Jen; Huang, Min Jyue; Wang, Ho Seng; Tseng, Kuo Wei; Chen, Hsin Lian; Nosaka, Kazunori.

In: Scandinavian Journal of Medicine and Science in Sports, Vol. 29, No. 5, 01.01.2019, p. 725-735.

Research output: Contribution to journalArticle

Chen, Trevor C. ; Yang, Tsung Jen ; Huang, Min Jyue ; Wang, Ho Seng ; Tseng, Kuo Wei ; Chen, Hsin Lian ; Nosaka, Kazunori. / Damage and the repeated bout effect of arm, leg, and trunk muscles induced by eccentric resistance exercises. In: Scandinavian Journal of Medicine and Science in Sports. 2019 ; Vol. 29, No. 5. pp. 725-735.
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