Structure and Development -- Muscle Architecture and Muscle Fiber Anatomy -- The Motoneuron -- The Neuromuscular Junction -- Muscle Receptors -- Muscle Formation -- Development of Muscle Innervation -- Putting Muscles to Work -- Ion Channels, Pumps, and Binding Proteins -- Axoplasmic Transport -- Resting and Action Potentials -- Neuromuscular Transmission -- Muscle Contraction -- Motor Units -- Motor Unit Recruitment -- Muscle Metabolism -- The Adaptable Neuromuscular System -- Fatigue -- Loss of Muscle Innervation -- Recovery of Muscle Innervation -- Trophism -- Disuse -- Muscle Training -- Injury and Repair -- Aging