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Understanding Flaccidity, Spasticity & Cerebral Ataxia

📑 10 slides 👁 30 views 📅 1/22/2026
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Introduction to Neurological Conditions

Overview of flaccidity, spasticity, and cerebral ataxia as neurological disorders

Introduction to Neurological Conditions
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What is Flaccidity?

  • Characterized by weak, limp muscles with reduced tone
  • Often caused by lower motor neuron damage or peripheral nerve injury
  • Leads to decreased reflexes and muscle wasting over time
What is Flaccidity?
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Causes of Flaccidity

  • Spinal cord injuries affecting nerve signals to muscles
  • Conditions like Guillain-Barré syndrome or polio
  • Can be temporary or permanent depending on cause
Causes of Flaccidity
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Understanding Spasticity

  • Hypertonia with stiff, tight muscles and exaggerated reflexes
  • Results from upper motor neuron lesions in brain or spinal cord
  • Causes involuntary spasms and movement difficulties
Understanding Spasticity
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Spasticity Management

  • Physical therapy to maintain range of motion and prevent contractures
  • Medications like baclofen or botulinum toxin injections
  • Surgical options for severe cases like selective dorsal rhizotomy
Spasticity Management
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Cerebral Ataxia Explained

  • Lack of muscle coordination affecting voluntary movements
  • Caused by cerebellum damage from stroke, MS, or genetic disorders
  • Results in unsteady gait, slurred speech, and tremors
Cerebral Ataxia Explained
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Types of Ataxia

  • Sensory ataxia from loss of proprioception
  • Vestibular ataxia affecting balance and eye movements
  • Cerebellar ataxia causing intention tremors and dysmetria
Types of Ataxia
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Diagnosis Methods

  • Neurological exams assessing reflexes, coordination, and gait
  • MRI scans to identify brain lesions or atrophy
  • Genetic testing for hereditary ataxias like Friedreich's ataxia
Diagnosis Methods
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Treatment Approaches

  • Physical and occupational therapy for functional improvement
  • Assistive devices like canes or walkers for mobility
  • Speech therapy for dysarthria in ataxia patients
Treatment Approaches
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Conclusion & Key Takeaways

  • Flaccidity and spasticity represent opposite ends of muscle tone disorders
  • Ataxia involves coordination deficits rather than tone abnormalities
  • Early intervention improves quality of life across all conditions
Conclusion & Key Takeaways
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