215 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability ... Intrinsic Midcarpal Instability ... slightly extended, and ... MCI #Midcarpal #Instability ... #Wrist #msk #orthopedics
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... sulcus sign in a shoulder ... multidirectional instability ... between the acromion and ... clinical #video #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... onto outstretched hand ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
The Shuck Test for Scapholunate Instability

The Shuck test assesses for scapholunate instability. 
With the wrist flexed,
for Scapholunate Instability ... With the wrist flexed ... dorsum of the wrist ... #Hand #Wrist #PhysicalExam ... #sports #msk #orthopedics
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Injury • Claw Hand ... Nerve Injury • Hand ... Diagnosis #MSK #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... all carpal bones should ... onto outstretched hand ... box, pain with wrist ... #TerryThomas #Wrist
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
dorsum of the hand ... ulna, pain with wrist ... Discharge with orthopedic ... Triquetrum #Fracture #Wrist ... Diagnosis #Management #Orthopedics
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
Hamate Fracture on Wrist ... over the hamate should ... negative a CT should ... prompt outpatient orthopedics ... Radiology #MSK #Orthopedics
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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Radial Nerve Wrist ... MuscleGroups #MSK #Orthopedics
C1 and C2 Fractures and Injuries - Which Fractures are Stable and Unstable

#Diagnosis #Orthopedics #C1C2 #Cervical
C1 and C2 Fractures ... and Injuries - ... Fractures are Stable and ... #Diagnosis #Orthopedics ... Fractures #Unstable #Stability