14 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Abdominal Reflex L2 Anterior ... Medial Thigh Hip ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
• Most common ... rotated, extended arm ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
head fractures are ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
spared in this injury ... night palsy" is a common ... the median nerve distribution ... Anterior Shoulder ... sensory #motor #arm
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... ), ligamentous injury ... Posterior long arm ... Radiology #XRay #Diagnosis ... #Sports #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... ) - Diagnosis and ... Posterior (most common ... of dash board injury ... knee are flexed
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Fracture • Most common ... brachial artery injury ... Posterior long arm ... Radiology #XRay #Diagnosis ... #MSK
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... follow dermatomal distributions ... ligament (near anterior ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... the most commonly ... Hyperextension injury ... Radiology #XRay #Diagnosis ... #MSK
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
syphilis, and HIV ... temperature in the distribution ... anesthesia (more commonly ... syndromes #lesions #differential ... #diagnosis #neurology