18 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
extended, and when ulnar ... extensors (ECU, ... #msk #orthopedics ... #clinical #video ... #physicalexam
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... ossification of the carpal ... #Bones #wrist # ... radiology #mnemonic ... #diagnosis #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... #TerryThomas #Wrist ... #Radiology #XRay ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... associated injuries: Carpal ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Ulnar Compression Test - Ulnar Tunnel Syndrome

The ulnar compression test evaluates for ulnar tunnel syndrome.
Provide direct
tunnel or Guyon's canal ... Tunnel #Syndrome #wrist ... #hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
along the dorsal ulnar ... aspect of the wrist ... Tendinitis #clinical #video ... #physicalexam # ... msk #orthopedics
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
thumb injury to ulnar ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Examination for ECU Tendinitis 

ECU tenosynovitis is the second most common type of tenosynovitis around the
tenosynovitis around the wrist ... #extensor #carpi ... ulnaris #clinical #video ... #physicalexam # ... msk #orthopedics