20 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... common carpal bone ... flexion and extension ... #Radiology #XRay ... #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 ... Fingers Abduction T1 Ulnar ... Femoral Nerve Ankle ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Fractures by Frequency ... #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
extended, and when ulnar ... performed, the large bone ... extensors (ECU, ... #msk #orthopedics ... #clinical #video
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
carpal bone. ... common carpal bone ... #Wrist #Carpal ... #Radiology #XRay ... #Sports #MSK
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
swollen forearm and wrist ... pronation and at wrist ... Radial #Distal #Radiology ... Diagnosis #Management #Orthopedics ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... box, pain with wrist ... extension • Possible ... Scaphoid #Carpal #Radiology ... #Sports #MSK
Talus Fracture on POCUS
Athlete with hard landing on one foot, pain and tenderness over dorsum of
Talus Fracture on ... hard landing on one ... #POCUS #clinical ... #ultrasound #MSK ... #ankle
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Absence of a fracture ... joint needs to be clinically ... disruption (may be bony ... Mallet #Finger #Radiology ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... injuries: Carpal fracture ... radial styloid fracture ... #Carpal #Radiology ... #Sports #MSK