17 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... wrist flexion and extension ... #Wrist #Carpal ... #Radiology #XRay ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Scaphoid - 50-80% • Triquetral ... Pal @drdevrad #Carpal ... wrist #frequency #radiology ... #msk #orthopedics
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Hamate - 2 Months Triquetral ... ossification of the carpal ... #Bones #wrist #radiology ... mnemonic #diagnosis #msk
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Mallet finger, the extension ... of the terminal extensor ... immobilize • Splint: Extension ... Mallet #Finger #Radiology ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
pain with wrist extension ... associated injuries: Carpal ... trapezium, capitate, triquetrum ... #Radiology #XRay ... Orthopedics #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
lateral slips of the extensor ... phalanx to enable extension ... phalanx to enable extension ... Dislocation #IPJoint #Radiology ... #Orthopedics #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... contraction of the wrist extensors ... ECRB) The distal carpal ... Instability #Wrist #msk ... orthopedics #clinical #video
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... spacing between all carpal ... pain with wrist extension ... #Radiology #XRay ... Orthopedics #Sports #MSK
Elson's Test - Extensor Digitorum Finger Examination

Elson's test evaluates for partial or complete tear of the
Elson's Test - Extensor ... extend at the PIP ... Video via @open_michigan ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP ... limited in MCP extension ... tight PIPJ in MCP extension ... PhysicalExam #clinical #video ... #msk #PIP