104 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... - Radial Nerve Injury ... Ulnar Nerve Injury ... Injuries #Anatomy #Differential ... Diagnosis #MSK #Orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
injury. ... • Colles (90% "dinner ... onto outstretched hand ... variable gross wrist ... reduction using finger
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... X-Ray Mallet finger ... drdevradiology #Hand ... XRay #Radiology #Wrist ... #differential #
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... , median nerve injury ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
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 ... C6 Dorsal Thumb Wrist ... Finger Flexion ... #SpinalCord #Injury ... NerveRoots #Levels #differential
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... • Extension of wrist ... Small muscles of hand ... (finger abduction ... Scissors #Nerve #Injury
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
: Hyperflexion injury ... Exam: Swollen and ... Discharge with orthpedic ... Diagnosis #Management #Hand ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... aracteristic "claw hand ... spared in this injury ... sensory #motor #arm #physicalexam
Hoffmann's Sign

Hoffman's sign means upper motor neuron injury.  The Hoffmann's reflex test itself involves loosely
upper motor neuron injury ... holding the middle finger ... allowing the middle finger ... thumb on the same hand ... video #neurology #physicalexam
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
nerve of elbow, wrist ... the wrist and elbow ... high radial nerve injury ... radial nerve injury ... diagnosis #neurology #orthopedics