SKELETAL MUSCLE FASCICULATIONS
\skˈɛlɪtə͡l mˈʌsə͡l fˌasɪkjʊlˈe͡ɪʃənz], \skˈɛlɪtəl mˈʌsəl fˌasɪkjʊlˈeɪʃənz], \s_k_ˈɛ_l_ɪ_t_əl m_ˈʌ_s_əl f_ˌa_s_ɪ_k_j_ʊ_l_ˈeɪ_ʃ_ə_n_z]\
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Involuntary contraction of the muscle fibers innervated by a motor unit. Fasciculations can often by visualized and take the form of a muscle twitch or dimpling under the skin, but usually do not generate sufficient force to move a limb. They may represent a benign condition or occur as a manifestation of MOTOR NEURON DISEASE or PERIPHERAL NERVOUS SYSTEM DISEASES. (Adams et al., Principles of Neurology, 6th ed, p1294)
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