What does a constant twitch in the tricep muscle mean?
1. Introduction A constant twitch in the tricep muscle, clinically known as a fasciculation, typically indicates benign localized neuromuscular excitability caused by muscular fatigue, excessive caffeine consumption, or subtle electrolyte imbalances. These involuntary contractions occur when a single lower motor neuron spontaneously fires, stimulating a small bundle of muscle fibers to contract visibly under the … Read more