15 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... fracture, median nerve ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... #Injuries #Anatomy ... #Differential #Diagnosis ... #MSK #Orthopedics
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
by Frequency • Scaphoid ... Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Tenderness to anatomic ... injuries: distal radius ... #Scaphoid #Carpal ... #Radiology #XRay ... Orthopedics #Sports #MSK
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Painful balottement test ... , Painful radial ... fracture #radiology ... #msk #orthopedics ... #diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
tenderness to the anatomic ... #Fracture #Wrist ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
thumb over the scaphoid ... pressure. 2) The wrist ... from ulnar to radial ... clinical #video #physicalexam ... #msk
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Lunate - 4 Years Scaphoid ... #Bones #wrist # ... radiology #mnemonic ... #diagnosis #msk
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #XRay #Diagnosis ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... nerve in the radial ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam