12 results
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
Distal Radius Fracture ... Distal radius ... variable gross wrist ... injury, acute carpal ... tunnel syndrome
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... with the distal radius ... with the distal radius ... , triquetrum), radial ... #Carpal #Radiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial ... Carpal Tunnel Syndrome
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
Axillary Nerve Shoulder ... Extension C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve ... MuscleGroups #MSK #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... bones should be ... box, pain with wrist ... injuries: distal radius ... #Radiology #XRay
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... dislocation, distal radius ... Discharge with orthopedic ... Triquetrum #Fracture #Wrist ... #Carpal #Radiology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... Exam: swollen elbow ... ), compartment syndrome ... Forearm #Ulnar #Radiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... ), compartment syndrome ... II-IV, pending orthopedic ... #Humerus #Radiology ... Diagnosis #Management #Orthopedics
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
Test for Thoracic Outlet ... Costoclavicular Syndrome ... palpating the radial ... examiner pulls the shoulders ... vascular #msk #orthopedics
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
Test for Thoracic Outlet ... Costoclavicular Syndrome ... palpating the radial ... examiner pulls the shoulders ... vascular #msk #orthopedics