18 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... onto outstretched hand ... dorsum of the hand ... flexion and extension ... #Sports #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... finger - injury ... thumb injury to ulnar ... drdevradiology #Hand ... #Radiology #Wrist
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... extension • ... #XRay #Diagnosis ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... onto outstretched hand ... extension • Possible ... #Radiology #XRay ... #Sports #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 ... extensors (ECU, ... #msk #orthopedics ... clinical #video #physicalexam
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... the patient's hand ... one hand while ... with the other hand ... #msk #orthopedics
Wartenberg Sign in Ulnar Neuropathy

Abnormal abductor the fifth finger due to ulnar neuropathy ( weakness of
Wartenberg Sign ... #hand #pinky #finger ... clinical #video #physicalexam ... #neurology #msk ... #sports #orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... injury, acute carpal ... Distal #Radiology #XRay ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
of the little finger ... action of the extensor ... #PhysicalExam # ... clinical #video #hand ... #mask #ulnar #neuropathy