166 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... the elbow to the hand ... the bones of the hand ... subluxation #clinical #physicalexam
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... slightly extended, and ... when ulnar deviation ... ECRB) The distal carpal ... clinical #video #physicalexam
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... - Radial Nerve Injury ... Ulnar Nerve Injury ... - Median Nerve Injury
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... • Extension of wrist ... (2%), Radius & Ulna ... Small muscles of hand ... Scissors #Nerve #Injury
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... distal to distal ulna ... , pain with wrist ... distal radius or ulna
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Common Hand Fractures ... Mallet finger - injury ... to ulnar collateral ... drdevradiology #Hand ... XRay #Radiology #Wrist
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... associated injuries: Carpal ... , median nerve injury ... #Carpal #Radiology
Guide for testing and documenting neurological function in kids with upper limb fractures 

Rock - Median
Nerve Scissors - Ulnar ... Diagnosis #Pediatrics #Hand ... Peripheral #Nerves #PhysicalExam ... Radial #Median #Ulnar ... Mnemonic #Upper #Arm #Injury
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... • Due to injury ... onto outstretched hand ... box, pain with wrist ... #TerryThomas #Wrist