[Contractility of the cardiac muscle and mechanics of the heart].
D000818:Animals; D001001:Anura; D001696:Biomechanical Phenomena; D055592:Biophysical Phenomena; D001703:Biophysics; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D008954:Models, Biological; D008962:Models, Theoretical