9 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... Tenderness to anatomic ... #Radiology #XRay ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... fracture, median nerve ... injury • ED ... #Wrist #Carpal ... #Radiology #XRay
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... injuries: Perilunate dislocation ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
fractures that are ... onto outstretched hand ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... When clinically ... injury ... drop: ECRB and ... #Anatomy #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... onto outstretched hand ... can't make A-OK sign ... Posterior long arm ... #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... drop - Occurs after ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Pathogenesis, clinical ... , outstretched arm ... Structural damage to nerves ... #Diagnosis #signs ... #symptoms #msk
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... ECU Subluxation diagnosed ... #subluxation #clinical ... #physicalexam #video ... #msk