23 results
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
carpal bone. ... : Scapholunate dissociation ... , perilunate dislocation ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... box, pain with wrist ... , scaphoid fracture ... #TerryThomas #Wrist ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... ulna, pain with wrist ... injuries: Perilunate dislocation ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture (scaphoid ... radial styloid fracture ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Bone Fractures ... #Bone #Fractures ... #wrist #frequency ... #radiology #msk
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... • Fracture at ... variable gross wrist ... injury, acute carpal ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Erb's Palsy is caused ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Embolism (e.g. fractured ... Trauma to Vessel (dislocation ... /fracture) • Hemarthrosis ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
, Burst Fracture ... , Chance Fracture ... : Don't cause spinal ... • Vertebral canal ... Bilateral facet joints dislocation
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
in the Spinal canal ... Greater Trochanter Fracture ... • Hip dislocation ... pathophysiology #causes ... signs #diagnosis #msk