title: Muscle crossbridges in disarray.
mesh_terms: D000199:Actins / Q000502:physiology; D000818:Animals; D009119:Muscle Contraction; D009132:Muscles / Q000648:ultrastructure*; D009218:Myosins / Q000502:physiology; D014961:X-Ray Diffraction
chemical_list: D000199:Actins; D009218:Myosins