The Sound of Footsteps!!!

“it's possible to learn more about neurologic status from watching a patient walk than from any other single procedure”

Russell Nelson DeJong (1907-1990)

#MedTwitter #neurotwitter #EndNeurophobia

1/
Phases of gait

Critical incidents!

Stance (60%): (1) heel strike (2) foot flat (3) heel off

(4) toe-off

Swing (40%): (5) toe clearance (6) heel strike

via: Morgan E

2/
Cerebellar ataxic gait

“Wide based, reeling, careening (drunken sailor)”

- inability to walk tandem
- step length varies unpredictably
- turning may bring out a stagger
- acute alcohol intoxication

via: Matthewhr1

3/
Hemiparetic (spastic hemiparesis) gait

“Involved leg spastic, circumduction, often with foot drop”

- pyramidal lesion
- sound by toe scraping, & wear of shoe at toe
- freq: stroke; arm flex, adduct, intern rotated; leg extend

via: onlinemedicalvideo

4/
Hemiparetic (spastic hemiparesis) gait

“Involved leg spastic, circumduction, often with foot drop”

via: Dr. Rishikesh A. Bhakare

5/
Scissoring gait

“Stiff legged, scissoring (wooden soldier)”

- congenital spastic diplegia and myelopathies
- narrow base
- steps are short and slow, feet seem to stick to the floor
- swaying without true loss of coordination

via: Alhadapediatrics

6/
Scissoring gait

“Stiff legged, scissoring (wooden soldier)”

youtube.com/shorts/d0LmaJn… via: Neurologia BP

7/
Parkinsonian gait

“Small steps, flexed posture, shuffling, festination”

- upper extremities are flexed, except fingers extended
- decreased arm swing
- en-bloc turning
- start hesitation

via: Dr. Prodigious

8/
Apraxic gait

“loss of the ability to use the legs properly in walking”

- frontal lobe disease
- disorganized walking skills
- shuffling small steps
- normal motor and sensory function on couch examination

via: Jenwit Thippawan

9/
Steppage (equine) gait

“high steppage pattern to clear the toes from the floor, double tap”

- foot drop and sensory ataxia
- double tap # sound: toe first (foot drop) heel first (sensory)

via: emrcpian

10/
Steppage (equine) gait

“high steppage pattern to clear the toes from the floor, double tap”

via: Alain Wambe

11/
Myopathic (waddling) gait

“Exaggerated ‘sexy’ hip motion, waddling, lumbar hyperlordosis”

- muscular dystrophy
- broad base

via: onlinemedicalvideo

12/
Myopathic (waddling) gait

“Exaggerated ‘sexy’ hip motion, waddling, lumbar hyperlordosis”

via: Dr. Yemin Ahmed

13/
Trendelenburg’s sign

“abnormal drop of the pelvis on the side of the swing leg due to hip abductor weakness”
“pelvic ptosis”

via: openmichigan

14/
Trendelenburg’s gait

“abnormal drop of the pelvis on the side of the swing leg due to hip abductor weakness”

youtube.com/shorts/ZUPQp5o… via: kenzothiazepine

15/
Antalgic gait

“an abnormal pattern of walking secondary to pain that ultimately causes a limp, whereby the stance phase is shortened relative to the swing phase”

via: Dr. Prodigious

16/
Sensory ataxic gait

“Wide-based, steppage”

- post columns or peripheral nerves
- “spinal ataxia”
- pt is extremely dependent on visual input for coordination (# cerebellar ataxia)
- “steppage gait” heel first
- ‘Frankenstein’ gait

youtube.com/shorts/hq4buUL… via: Tony scaria

17/
Spastic-ataxic gait

“proportion of each abnormality depends on the particulars of the case”

- Ataxic component: cerebellar or sensory

via: Dr. Sourya Acharya

18/
Marche à petits pas

“Small steps, slow shuffling”

- resembles parkinsonian, but lacks rigidity and bradykinesia
- length of steps less than foot’s length
- frontal lobes, NPH, multi-infarct dementia

via: Osama SM Amin

19/
Cautious (senile) gait

“velocity slows, steps shorten, and the base widens”

- 'healthy person walks on an icy surface'
- aging vestibular system, impaired proprioceptive by distal neuropathy in the elderly, and impaired vision

via: Global news

20/
Magnetic gait

“inability to lift the feet off the floor”

- NPH

via: Hydrocephalus association

21/
Magnetic gait

“inability to lift the feet off the floor”

doi.org/10.1212/CPJ.00… via: Neurology

22/
Magnetic gait

“inability to lift the feet off the floor”

youtube.com/shorts/Enp5map… via: Dr.Pawan Soni

23/
Functional gait

“recognizing positive clinical features of functional gait disorders”

- complex
- inconsistency
- incongruity

youtube.com/shorts/zJIZtob… via: Pogakula Udaykiran

24/
Astasia

“inability to stand”

- functional?
- everything normal, except for the inability to stand
- freq assoc to abasia

doi.org/10.1002%2Fmdc3… via: Mov Disord Clin Pract

25/

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More from @theneurolander

Oct 26
Hoffmann and his Assistant!!!

“upper limb equivalent of the Babinski sign test”

- hyperreflexia
- cervical cord

#MedTwitter #neurotwitter #EndNeurophobia

1/ Image
Hoffmann's sign

“snaps the nail of the middle finger leads to flexion of the thumb and/or index”

discovered by German neurologist Johann Hoffman (1857–1919), but
it was described by his assistant Hans Curschmann in 1911

via: virtualmedstudent

2/
Mayer's reflex

“forceful passive flexion of the middle finger. Involuntary adduction of the thumb normally follows; absence of the reflex suggests a lesion”

discovered by Austrian neuropsychiatry Carl Mayer (1862–1936)

doctorlib.info/neurology/fund… via: doctorlib

3/ Image
Read 11 tweets
Oct 24
Babinski and Friends!!!

“Loss of descending pyramidal control of the reflex arc to suppress extensor withdrawal results in the upgoing toes in the plantar reflex known as Babinski's sign”

1st described by Joseph Babinskiin 1896

#MedTwitter #neurotwitter #EndNeurophobia

1/
Bing's sign

“pricking of the dorsum of foot or the 1st toe with a pin”

discovered by Swiss neurologist Paul Robert Bing (1878–1956)

youtube.com/shorts/SgIBzIG… via: Nagesh's Clinical Medicine

2/
Cornell's sign

“stroking the dorsum of foot along the extensor tendon of the 1st toe”

discovered by American neuropsychologist Ethel Letitia Cornell (1892–1963)

via: UM Clinical Skills

3/
Read 24 tweets
Oct 23
Movement Disorders – Dystonia (Writer's cramp)

“abnormal postures and muscle spasms interfering in writing motor performance”

- Most freq focal, task-specific dystonia.
- Managed botox > orals (anticholinergic)

#MedTwitter #neurotwitter #EndNeurophobia #movementdisorder
1/ Image
History #dystonia

First description

Bernardino Ramazzini (1633-1714) discussed focal hand dystonia as a muscle strain in “Scribes and Notaries” De Morbis Artificum Diatriba.

doi.org/10.1016/s0140-…

2/ ImageImage
Writer's cramp (focal hand dystonia)

doi.org/10.1002/mds.23… via: Mov Disord

3/
Read 13 tweets
Oct 15
Movement Disorders - Ballism

“chorea that affects proximal joints such as shoulder or hip” Mov Disord Society, 2011

- Freq causes: vascular and metabolic

- Good response to antipsychotics, usually self-limiting

#MedTwitter #neurotwitter #EndNeurophobia #movementdisorder

1/ Image
First report

In 1927 James Purdon Martin
Hemichorea resulting from a local lesion of the brain

doi.org/10.1093/brain/…

2/ Image
Hemichorea-hemiballismus: nonketotic hyperglycemia

doi.org/10.1212/WNL.0b… via: Neurology

3/
Read 25 tweets

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