9 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
bone. ... bone fracture ... dorsum of the hand ... extension • Possible ... #Sports #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
disruption (may be bony ... Discharge with orthpedic ... #Radiology #XRay ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... middle finger with ... one hand while ... #carpi #ulnaris ... #physicalexam #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... pain with wrist extension ... trapezium, capitate, triquetrum ... #Radiology #XRay ... #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... tendon), mallet finger ... Discharge with orthopedic ... IPJoint #Radiology #XRay ... #Orthopedics #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
slightly extended, and ... when ulnar deviation ... contraction of the wrist extensors ... Instability #Wrist #msk ... #orthopedics #clinical
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... onto outstretched hand ... pain with wrist extension ... #Radiology #XRay ... #Sports #MSK
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Pincer grasp is ... median nerve & Ulnar ... Grasp #Weakness #Hand ... #physicaleaxm #neurology ... #orthopedics #msk
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... Carpi Ulnaris ( ... little, or pinky, finger ... #Carpi #Ulnaris ... #Wrist #msk