35 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... ulna, pain with wrist ... flexion and extension ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Scaphoid - 50-80% • Triquetral ... Pal @drdevrad #Carpal ... Bone #Fractures #wrist ... frequency #radiology #msk
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... Hamate - 2 Months Triquetral ... ossification of the carpal ... #Bones #wrist # ... mnemonic #diagnosis #msk
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extensors (ECU, ... ECRB) The distal carpal ... #msk #orthopedics ... #clinical #video
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... associated injuries: Carpal ... trapezium, capitate, triquetrum ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Radial Nerve Wrist ... T1 Ulnar Nerve Hip ... Nerve to Psoas Hip ... Gluteal Nerve Hip ... #MuscleGroups #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... box, pain with wrist ... extension • Possible ... #TerryThomas #Wrist ... Orthopedics #Sports #MSK
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Fully flex wrists ... Video via @open_michigan ... Tunnel #Syndrome #Wrist ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Phalen's Test for Carpal ... Fully flex wrists ... Tunnel #Syndrome #Wrist ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Carpal Compression Test for Carpal Tunnel Syndrome

The carpal compression test evaluates for carpal tunnel syndrome.
Provide direct
volar side of the wrist ... Video via @open_michigan ... Tunnel #Syndrome #Wrist ... PhysicalExam #clinical #video ... #sports #msk #orthopedics