Cardiac ouput dependency on exercising muscle mass

Evan L. Matthews, Timothy R. McConnell, Eric S. Rawson, Joseph L. Andreacci

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Fifteen young adult males participated in leg and arm ergometry with CO measured throughout incremental workloads. No significant difference exists for COabs (L·min-1) during leg ergometry between larger (14.34±4.93) and smaller (12.68±4.47) leg musculatures (P=0.067). During arm exercise, COabs was greater in participants with larger (20.25±9.60) versus smaller (13.73±4.89) arm musculatures (P<0.01). During both exercise modalities, no difference exists between the subjects with larger and smaller musculatures for COrel (ml·kg-1·min-1). We conclude that differences exist in the CO response to matched submaximal exercise between larger and smaller muscle mass.

Original languageEnglish
Pages (from-to)88-95
Number of pages8
JournalJournal of Exercise Physiology Online
Issue number5
StatePublished - Oct 2012


  • Bioimpedance
  • Bioreactance
  • Ergometry


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