23 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extended, and when ulnar ... ECRB) The distal carpal ... with an audible “clunk ... #msk #orthopedics
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Pal @drdevrad #Carpal ... Bone #Fractures #wrist ... frequency #radiology #msk ... #orthopedics #diagnosis
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... • Claw Hand - Ulnar ... #Differential #Diagnosis ... #MSK #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... Discharge with orthopedic ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... #TerryThomas #Wrist ... #Management #Orthopedics ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
pressure. 2) The wrist ... then moved from ulnar ... Interpretation: A painful clunk ... #physicalexam #orthopedics ... sports #scaphoid #msk
Eichhoff's Test for De Quervain's Tenosynovitis

Eichhoff's test evaluates for De Quervain's tenosynovitis. The patient places the
is passively ulnar ... Eichhoffs #Test #DeQuervains ... Tenosynovitis #Wrist ... video #sports #msk ... #orthopedics
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
follow-up with Orthopedics ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK