It takes "heart" to win: what makes the heart powerful?

Authors :: McDonald KS
Herron TJ
Source :: News in physiological sciences : an international journal of physiology produced jointly by the International Union of Physiological Sciences and the American Physiological Society [News Physiol Sci] 2002 Oct; Vol. 17, pp. 185-90.
Publication Year :: 2002
Abstract: The pumping action of the heart varies considerably on a beat-to-beat basis and is ultimately determined by the extent of ventricular myocyte shortening during systole. The use of isolated myocardial preparations has provided new insights about the subcellular factors that modulate power output of the ventricles.

Subjects :: Animals
Calcium physiology
Humans
Muscle Proteins physiology
Myocardial Contraction physiology
Myocardium cytology
Myofibrils physiology
Myosin Heavy Chains physiology
Heart physiology

Language :: English
ISSN :: 0886-1714
Volume :: 17
Database :: MEDLINE
Journal :: News in physiological sciences : an international journal of physiology produced jointly by the International Union of Physiological Sciences and the American Physiological Society
Publication Type :: Academic Journal
Accession number :: 12270954
Full Text :: https://doi.org/10.1152/nips.01396.2002