11 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... injuries: distal radius ... fracture, scaphoid ... #Dissociation #TerryThomas ... #Wrist #Scaphoid
Watson's Test for Scapholunate Instability

1) The examiner places a thumb over the scaphoid tubercle, applying dorsal
Watson's Test for Scapholunate ... thumb over the scaphoid ... pressure. 2) The wrist ... from ulnar to radial ... #Instability #wrist
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... Carpal fracture (scaphoid ... , triquetrum), radial ... Radiology #XRay #Diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Rolando fracture Scaphoid ... fracture Scapholunate ... XRay #Radiology #Wrist ... #differential #diagnosis
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 ... (TFCC injury, scapholunate ... Radiology #XRay #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... Radial head fractures ... non-displaced radial ... dislocation, scaphoid ... Radiology #XRay #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid Fractures ... associated injuries: Scapholunate ... fracture, associated scapholunate ... #Fracture #Wrist ... Radiology #XRay #Diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... , wrist and digital ... space and the wrist ... and elbow joints ... Nerve #Anatomy #diagnosis
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
Thoracodorsal Nerve Elbow ... Extension C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve ... Orthopedics #Neurology #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... nerve in the radial ... Dermatomes #Myotomes #diagnosis