Lower Motor Neuron Weakness Mnemonic

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Here is a quick mnemonic “MUSCLE FIBER“ to remember about Lower Motor Neuron Weakness

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, NEET PG, FMGE, NExT & NCLEX exams

Lower Motor Neuron Weakness Treatment : How To Remember Easily ?

  • M – Motor neurons in brainstem and anterior horn of spinal cord cause the pattern.
  • U – Upper motor neurons dysfunction can result in weakness.
  • S – Skeletal muscle fibers can be affected by disorders of lower motor neurons.
  • C – Connections between motor neurons and muscles can be disrupted.
  • L – Loss of α motor neurons can lead to weakness.
  • E – Excitation of muscle fibers depends on the activation of motor neurons.
  • F – Fasciculations may occur when motor units become diseased.
  • I – Involvement of spindle afferent fibers can be suggested by an absent stretch reflex.
  • B – But denervated muscle fibers may discharge spontaneously.
  • E – EMG can record spontaneous discharges of single muscle fibers.
  • R – Reduced recruitment of motor units can cause weakness.

Mnemonic : MUSCLE FIBER

Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department
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