13 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... the back of the arm ... and elbow joints ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
are the most common ... in adults and are ... radioulnar joint injury ... #Radiology #XRay ... #Diagnosis #Management
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... , median nerve injury ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
), ligamentous injury ... Posterior long arm ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... • Due to injury ... injuries: distal radius ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... dislocation, distal radius ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... brachial artery injury ... Posterior long arm ... #Humerus #Radiology ... #XRay #Diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... syndrome, ligamentous injury ... Posterior long arm ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis