NeuroLogic Examination Videos and Descriptions: An Anatomical Approach
NeuroLogic Examination Videos and Descriptions...
an Anatomical Approach
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Go to IntroductionINTRODUCTION TO THE NEUROLOGIC EXAM VIDEOS AND DESCRIPTIONS

MENTAL STATUS EXAM
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CRANIAL NERVE EXAM

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COORDINATION EXAM
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GAIT EXAM
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The Procedure and CSF Analysis


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Coordination > Abnormal

SECTIONS
Speech Rapid Alternating Movement video
Tremor video
Rebound video
Check Reflex video
Hand Rapid Alternating Movement video
Finger-to-nose video
Foot Rapid Alternating Movement video
Toe-to-finger video
Heel-to-shin video
Station video
Natural Gait video
Tandem Gait video

COMPARISON OF NORMAL versus ABNORMAL EXAM FINDINGS videos
 

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Speech Rapid Alternating Movements Dysarthria
Impaired speech articulation of cerebellar origin is characterized by being slow, indistinct, and scanning (scanning refers to decomposition of words into monosyllabic parts and loss of normal phrasing and intonation).

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Tremor
A cerebellar intention tremor (1st scene in this movie) arises mainly from limb girdle muscles and is maximal at the most demanding phase of the active movement. This must be distinguished from a postural tremor (fine distal 8-13 Hz)(2nd scene) or resting tremor (coarse distal 5-6 Hz pill-rolling type of tremor)(3rd scene).


(without sound)

Third Video Courtesy of Alejandro Stern, Stern Foundation


Rebound
Increased range of movement with lack of normal recoil to original position is seen in cerebellar disease.


Check Reflex
The patient is unable to stop flexion of the arm on sudden release so the arm may strike the chest and doesn't recoil to the initial position. This is most likely due to failure of timely triceps contraction.


Hand Rapid Alternating Movements
Movements are slow and irregular with imprecise timing. Inability to perform repetitive movements in a rapid rhythmic fashion is called dysdiadochokinesia.


Finger-to-nose
Under (hypometria) and over (hypermetria) shooting of a target (dysmetria) and the decomposition of movement (the breakdown of the movement into its parts with impaired timing and integration of muscle activity) are seen with appendicular ataxia.


Foot rapid alternating movements
Movements are slow and irregular with imprecise timing of agonist and antagonist muscle action.


Toe-to-finger
Same as finger-to-nose except for the lower extremities. For both the upper and lower extremities, it is important to always compare right versus left.


Heel-to-shin
The patient with ataxia of the lower extremity will have difficulty placing the heel on the knee with a side-to-side irregular over- and undershooting as the heel is advanced down the shin. Dysmetria on heel-to-shin can be seen in midline ataxia syndromes as well as cerebellar hemisphere disease so there is overlap between the two types of ataxias for this finding.


Station
Patient's feet will be placed wider apart then usual in order to maintain balance (broad or wide-based station). Midline ataxias cause instability of station with eyes opened or closed.


Natural Gait
Wide-based, unsteady, irregular steps with lateral veering; ataxia is most prominent when sudden changes are needed such as turning, standing up or stopping.


Tandem Gait
Patients with ataxia have difficulty narrowing the station in order to walk heel to toe. Tandem gait is helpful in identifying subtle or mild gait ataxia.

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COMPARISON OF NORMAL versus ABNORMAL EXAM FINDINGS
EXAM
NORMAL
ABNORMAL
Speech Rapid Alternating Movements


Tremor
Rebound
Check Reflex


Hand Rapid Alternating Movements


Finger-to-nose


Foot rapid alternating movements


Toe-to-finger


Heel-to-shin


Station


Natural Gait


Tandem Gait


 


 

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