16 results
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
by Frequency • Scaphoid ... - 50-80% • Triquetral ... Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... #Wrist #Carpal ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Carpal fracture (scaphoid ... trapezium, capitate, triquetrum ... #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Hamate - 2 Months Triquetral ... Lunate - 4 Years Scaphoid ... Carpal #Bones #wrist ... #radiology #mnemonic ... #diagnosis #msk
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Rolando fracture Scaphoid ... Terry thomas sign Triquetral ... Fractures #XRay #Radiology ... #Wrist #differential
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... #Scaphoid #Carpal ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid Fractures ... #Fracture #Wrist ... #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
thumb over the scaphoid ... pressure. 2) The wrist ... #Instability #wrist ... #orthopedics #sports ... #scaphoid #msk
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... trauma_modern #Wrist ... #orthopedics #msk ... #sports #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
radial (supinator) reflex ... Supinator #Test #Reflex ... #neurology #clinical ... #orthopedics #msk ... #sports #IRR #Radial