title: Time course of the active state in relation to muscle length and movement: a comparative study on skeletal muscle and myocardium.
mesh_terms: D000818:Animals; D001001:Anura; D006321:Heart / Q000502:physiology*; D066298:In Vitro Techniques; D007700:Kinetics; D009068:Movement; D009132:Muscles / Q000502:physiology*; D009210:Myofibrils / Q000502:physiology; D009213:Myography; D010210:Papillary Muscles / Q000502:physiology; D011817:Rabbits; D013314:Stress, Mechanical; D013997:Time Factors