6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Carpal Tunnel Syndrome ... sensory #motor #arm
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... styloid fracture, median ... nerve injury ... • ED Management ... #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
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variable gross wrist ... styloid fracture, median ... nerve injury, acute ... carpal tunnel syndrome ... Distal #Radiology #XRay
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... subluxation The Extensor ... Carpi Ulnaris ( ... #Carpi #Ulnaris ... #physicalexam #video
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
• Plasma cells ... Stimulation of nerve ... Swelling notable on Xray ... boggy" joints, esp carpal ... Boutonniere's ulnar
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Clonus, Spasticity, Extensor ... failure Diagnosis - Medical ... activity between nerve ... cells and motor ... neurology #diagnosis #management