210 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
Knee Joint Anatomy - Ligaments

The knee joint ligaments are divided between two groups: the extracapsular (outside
Joint Anatomy - Ligaments ... and intracapsular ... The ligaments are ... functioning to provide stability ... #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
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... scapholunate interosseous ligament ... all carpal bones should ... onto outstretched hand ... box, pain with wrist
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
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Inferior Glenohumeral Ligament ... cause of anterior shoulder ... instability from ... Usually anterior shoulder ... #shoulder #clinical
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
pathologic varus alignment ... across the knee and ... and an ACL reconstruction ... to restore stability ... anterior #cruciate #ligament
This is a fibula fracture with a tear of the deltoid ligament and syndesmotic ligaments. 

It’s
and syndesmotic ... ligaments. ... and osseous structures ... clinical #sports #orthopedics ... #instability
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... muscle, tendon, ligaments ... => Anterior Shoulder ... muscles, tendons, ligaments ... symptoms #msk #orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... , scapholunate and ... lunotriquetral ligament ... procedural sedation and