12 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... Fractures • Extension ... Small muscles of hand ... UpperExtremities #diagnosis ... #neurology
Elson's Test - Extensor Digitorum Finger Examination

Elson's test evaluates for partial or complete tear of the
Digitorum Finger ... the edge of the table ... #clinical #video ... #sports #msk #orthopedics ... #extensor #digitorum
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
T1 Ulnar Nerve ... to Psoas Hip Extension ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... ; flexor digitorum ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
be able to cross ... third fingers, or ... second fingers ... #clinical #video ... #sports #msk #orthopedics
Flexor Digitorum Profundus Test

Isolate the distal interphalangeal joint over the edge of the table and observe
the edge of the table ... to flex at the DIP ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
of the little finger ... action of the extensor ... nerve neuropathy ... #video #hand #mask ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Clinical Features ... • Weakness: Starts ... Paresthesias: Hands ... Diagnosis: • ... management #treatment #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... include a: • Neurologic ... signals in the inner ... Noise trauma ○ MS ... Labyrinthitis ○ Epstein-Barr