Upper motor neuron, UMN: Difference between revisions

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(Created page with "=== Clinic === * Upper Motor Neuron Pathways are first-order neurons, responsible for carrying signals that Initiate / Modulate / Coordinate movement. * The major UMN tract that initiates voluntary movement is the pyramidal tract * UMN disease is a wide and varied collection of disease which have UMN involvement in common === Entities === Upper motor neuron entities are * Muscle Weakness / Paralysis * Incoordination: Decreased mot...")
 
 
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=== Clinic ===
=== Clinic ===
* Upper [[Motor neuron|Motor Neuron]] Pathways are first-order neurons, responsible for carrying signals that Initiate / Modulate / Coordinate movement.
* Upper [[Motor neuron|Motor Neuron]] Pathways are first-order neurons, responsible for carrying signals that Initiate, Modulate and Coordinate movement.
* The major UMN tract that initiates voluntary movement is the [[Pyramidalism|pyramidal tract]]
* The major UMN tract that initiates voluntary movement is the [[Pyramidal system|pyramidal tract]]
* UMN disease is a wide and varied collection of disease which have UMN involvement in common
* UMN disease is a wide and varied collection of disease which have UMN involvement in common




=== Entities ===
=== Entities ===
Upper motor neuron entities are
Upper motor neuron is series of entities which are common in involving Upper Motor Neurons,


* Muscle Weakness / [[Paralysis]]
* Muscle Weakness / [[Paralysis]]
* Incoordination: Decreased motor control including Speed, Accuracy and Dexterity
* [[Incoordination]]: Decreased motor control including Speed, Accuracy and Dexterity
* [[Hypotonia miasms|Hypotonia]] or Hypertonia / [[Spasm]]
* [[Hypotonia miasms|Hypotonia]] or Hypertonia / [[Spasm]]
* Decreased endurance
* Decreased endurance
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*[[Motor Neuron Disease]]
*[[Motor Neuron Disease]]
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* Upper motor neuron lesions
* UMN lesions
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!
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!GSS
!GSS
!CJD
![[CJD, Creutzfeldt Jakob Disease|CJD]]
!NVCJD
![[NVCJD, New Variant Creutzfeldt Jakob Disease|NVCJD]]
!HTLV-1
![[HTLV-1, Human T lymphotropic virus type 1|HTLV-1]]
!JE
![[JE, Japanese encephalitis|JE]]
!EEE/
![[WEE, Eastern & Western Equine Encephalitis|EEE]]/
WEE
[[WEE, Eastern & Western Equine Encephalitis|WEE]]
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|Hyper Reflexia
|[[Hyper reflexia|Hyper Reflexia]]
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|Primitive reflexes
|[[Babinski Reflex|Primitive reflexes]]
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|-
|-
|Incoordination
|[[Incoordination]]
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|-
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|Spacticity
|[[Spasticity]]
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=== Note ===
=== Note ===
'''UMNS''' is the motor control changes that can occur in skeletal muscle after an upper motor neuron lesion.


* UMN tract is initiating and coordinating movement.  
Following upper motor neuron lesions, affected muscles potentially have many features of altered performance including:
* So I suggest The rubric "Spastic paralysis" for problem in initiating muscular movement  
 
* And also the rubric "Incoordination" for problem in coordination
* Muscle weakness
* Decreased motor control including decreased speed, accuracy and dexterity
* Altered muscle tone (hypotonia or hypertonia)
* Decreased endurance
* Exaggerated deep tendon reflexes including [[spasticity]], and clonus
 
Such signs are collectively termed the "upper motor neuron syndrome". Affected muscles typically show multiple signs, with severity depending on the degree of damage and other factors that influence motor control. In neuroanatomical circles, it is often joked, for example, that hemisection of the cervical spinal cord leads to an "upper lower motor neuron syndrome and a lower upper motor neuron syndrome". The saying refers to lower motor neuron symptoms in the upper extremity (arm) and upper motor neurons symptoms in the lower extremity (leg).
 
So I suggest The rubric "Spastic paralysis" for problem in initiating muscular movement

Latest revision as of 21:39, 29 September 2023

Clinic

  • Upper Motor Neuron Pathways are first-order neurons, responsible for carrying signals that Initiate, Modulate and Coordinate movement.
  • The major UMN tract that initiates voluntary movement is the pyramidal tract
  • UMN disease is a wide and varied collection of disease which have UMN involvement in common


Entities

Upper motor neuron is series of entities which are common in involving Upper Motor Neurons,


Causes

Dynamic Static
  • UMN lesions

Entity / Miasms

GSS CJD NVCJD HTLV-1 JE EEE/

WEE

Hyper Reflexia +++ +++ +++ +++ +++ +++
Primitive reflexes +++ +++
Incoordination +++ +++ +++
Spasticity +++ +++ +++ +++ +++


Note

UMNS is the motor control changes that can occur in skeletal muscle after an upper motor neuron lesion.

Following upper motor neuron lesions, affected muscles potentially have many features of altered performance including:

  • Muscle weakness
  • Decreased motor control including decreased speed, accuracy and dexterity
  • Altered muscle tone (hypotonia or hypertonia)
  • Decreased endurance
  • Exaggerated deep tendon reflexes including spasticity, and clonus

Such signs are collectively termed the "upper motor neuron syndrome". Affected muscles typically show multiple signs, with severity depending on the degree of damage and other factors that influence motor control. In neuroanatomical circles, it is often joked, for example, that hemisection of the cervical spinal cord leads to an "upper lower motor neuron syndrome and a lower upper motor neuron syndrome". The saying refers to lower motor neuron symptoms in the upper extremity (arm) and upper motor neurons symptoms in the lower extremity (leg).

So I suggest The rubric "Spastic paralysis" for problem in initiating muscular movement

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