8 results
Isolated Anterior Cruciate Ligament (ACL) Injury: Pathogenesis and clinical findings
 • Feeling a "pop"
 • Acute
Instability ... giving out" • Inability ... few weeks but instability ... Drawer test ... #ACL #Injury #MSK
Posteromedial Instability on Knee Exam
This is what a knee with posteromedial instability looks like. Notice the
Posteromedial Instability ... posteromedial instability ... Notice the positive anterior ... drawer test w/the ... Posteromedial #Instability
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... reconstruction to restore stability ... #Injury #ACLTear ... Sports #Ortho #anterior ... cruciate #ligament #msk
Slocum's Test for Anteromedial Rotary Instability (AMRI) and Anterolateral Rotary Instability (ALRI) of the Knee

Slocum’s test
Rotary Instability ... version of the Anterior ... Drawer Test of ... rotary instability ... #AMRI #ALRI #Knee
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
shoulder instability ... J-shape." o Usually anterior ... Differential diagnosis ... shoulder #clinical #mri ... Radiology #diagnosis #msk
Positive Posterior Drawer Test in Total Knee Arthroplasty 

73 yo M with hx of L TKA
Positive Posterior Drawer ... Test in Total Knee ... Flexion instability ... Exam: Stable varus ... #Test #TKA #MSK
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Prior anterior glenohumeral ... surgical repair Differential ... medially → CHRONIC INSTABILITY ... lesion #clinical #mri ... Radiology #diagnosis #msk
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Dislocation - MSK ... disrupted at the anterior ... maltracking and instability ... Differential diagnosis ... #clinical #mri