[Present status and problems in physiological study of muscular contraction].
D000200:Action Potentials; D002118:Calcium / Q000378:metabolism; D004558:Electric Stimulation; D008566:Membranes / Q000502:physiology; D008854:Microscopy, Electron; D009119:Muscle Contraction; D009210:Myofibrils / Q000502:physiology
D002118:Calcium