Generalized fasciculations are a key sign in the diagnosis of motor neurone disease. Which of the following statements is true regarding the observation and significance of fasciculations?

A: Fasciculations are always a cause for concern and indicate motor neurone disease.

B: Fasciculations are best observed in the biceps and are rarely seen in normal individuals.

C: Fasciculations are often best seen in the triceps and may be present in normal individuals without muscle wasting, weakness, or reflex changes.

D: Fasciculations are never seen in normal individuals and always indicate a serious neurological condition.

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