6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... T1 leading toc ... Carpal Tunnel Syndrome ... sensory #motor #arm ... #physicalexam
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
Nerve Injury ... OK signs are seen ... Injury #Finger #Hand ... #PhysicalExam # ... #sports #msk #orthopedics
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
• Sciatica • Tarsal ... cyanosis - Cool extremity ... Hair loss- feet and ... diagnosis #lower #extremity ... #msk #physicalexam
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
of the median nerve ... & Ulnar nerve ( ... Grasp #Weakness #Hand ... #video #physicaleaxm ... #orthopedics #msk
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... anterior interosseous nerve ... ), compartment syndrome ... Posterior long arm ... #Orthopedics #MSK
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
peripheral nerves ... • Cogan Syndrome ... purpura: strong sign ... extremities, upper extremity ... Nerves -> mononeuritis