Muscle Fasciculation: Neurological Mechanisms, Differential Diagnosis, and Clinical Management
1. Introduction to Muscle Fasciculations Muscle fasciculations are brief, spontaneous, and involuntary contractions of a single motor unit within a muscle. Clinically, they manifest as visible, irregular rippling or flickering movements beneath the surface of the skin. Unlike a tremor, which moves an entire limb in a rhythmic pattern, or a spasm, which involves a … Read more