12 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
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone Fractures ... Scaphoid - 50-80% • Triquetral ... #Bone #Fractures ... frequency #radiology #msk ... #orthopedics #diagnosis
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Bones Capitate ... Hamate - 2 Months Triquetral ... bones! ... #Bones #wrist # ... mnemonic #diagnosis #msk
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
performed, the large bone ... subluxating the large bone ... 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 ... bones should be ... onto outstretched hand ... pain with wrist extension ... #Sports #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 ... Dislocation #Wrist #Carpal ... #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
bone. ... bone fracture ... instability and ... onto outstretched hand ... #Sports #MSK
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
ULTRASOUND Bone ... : Bone is represented ... can pass through bone ... MUSCULOSKELETAL #MSK ... #POCUS #Atlas #
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 ... #carpi #ulnaris ... #physicalexam #msk ... #orthopedics #sports
Radius Fracture on POCUS
Great example of the use of POCUS to diagnose a fracture of a
of the use of POCUS ... fracture of a long bone ... cortical disruption and ... #clinical #bone ... #msk #orthopedics