The contractile element behaviour as force generator and shortening generator--a well-defined representation of the contractile element in Hill's model.
D001696:Biomechanical Phenomena; D008433:Mathematics; D008954:Models, Biological; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology; D012519:Sarcoplasmic Reticulum / Q000502:physiology