title: Sarcomere shortening in striated muscle occurs in stepwise fashion.
mesh_terms: D000818:Animals; D001001:Anura; D066298:In Vitro Techniques; D007700:Kinetics; D008027:Light; D009119:Muscle Contraction; D009132:Muscles / Q000648:ultrastructure*; D009200:Myocardial Contraction; D009206:Myocardium / Q000648:ultrastructure*; D051381:Rats; D012542:Scattering, Radiation