48 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... , 80% of elbow dislocations ... can't make A-OK sign ... procedural sedation and reduction ... Orthopedics #Sports #MSK
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
to make the OK sign ... Peripheral #Injury #OK #Sign ... clinical #video #neurology ... #physicalexam #msk ... #sports #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
- Light-near dissociation ... retraction (Collier's sign ... → "setting sun sign ... diagnosis #pineal #neurology
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Muscles Shoulder Abduction ... Nerve Shoulder Adduction ... Nerve Fingers Abduction ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... Overhead throwing => Abduction ... x-ray view -> Dislocation ... #Diagnosis #signs ... #symptoms #msk
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
of hand (finger abduction ... & adduction) OK ... Sign - AIN (Anterior ... UpperExtremities #diagnosis #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
• Light-near dissociation ... retraction (Collier's sign ... "setting sun" sign ... Parinauds #syndrome #neurology
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
Hoffmann's Sign ... Hoffman's sign ... is flexion and adduction ... #Hoffmanns #Sign ... clinical #video #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Shoulder: • Abduction ... (axillary) • Adduction ... T1 (ulnar) • Adduction ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology
Hoffmann's Reflex on Physical Exam
The Hoffmann's reflex itself involves loosely holding the middle finger and flicking
is flexion and adduction ... are not useful signs ... Hoffmanns #Reflex #Sign ... PhysicalExam #clinical #neurology