title: X-ray evidence for radial cross-bridge movement and for the sliding filament model in actively contracting skeletal muscle.
mesh_terms: D000199:Actins / Q000502:physiology; D000818:Animals; D001001:Anura; D001699:Biometry; D005583:Fourier Analysis; D066298:In Vitro Techniques; D009119:Muscle Contraction; D009132:Muscles / Q000033:anatomy & histology; D009210:Myofibrils; D009218:Myosins / Q000502:physiology; D011894:Rana pipiens; D011896:Rana temporaria; D012298:Rigor Mortis; D014961:X-Ray Diffraction
chemical_list: D000199:Actins; D009218:Myosins