43 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
The triquetrum ... "pooping duck sign ... "pooping duck sign ... Discharge with orthopedic ... Diagnosis #Management #Orthopedics
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Age of Ossification ... Hamate - 2 Months Triquetral ... remember the age of ossification ... , for the LEFT hand ... for the RIGHT hand
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of ... remember the age of ossification ... sequence of ossification ... -6-7 years for Triquetral ... drdevradiology #Ossification
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Positive J-Sign ... patellar tracking and ... path with flexion and ... #J #Sign #Knee ... clinical #video #msk #orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... fracture' • Ossification ... can't make A-OK sign ... II-IV, pending orthopedic ... Diagnosis #Management #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... Exam: tenderness and ... trapezium, capitate, triquetrum ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... to the central band ... Terry thomas sign ... Triquetral fracture ... drdevradiology #Hand
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... Positive sulcus sign ... between the acromion and ... iamDrHamilton #Sulcus #Sign ... clinical #video #msk #orthopedics
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
to make the OK sign ... Peripheral #Injury #OK #Sign ... sports #neurology #orthopedics ... #Hand
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
activates osteoblasts and ... chondrocytes -> Incr ossification ... activates lipolysis Signs ... acromegaly, widening of hands