46 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... 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 ... ), is the must ulnar ... the base of the ulna ... subluxation #clinical #physicalexam
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... The proximal carpal ... extended, and when ulnar ... ECRB) The distal carpal ... clinical #video #physicalexam
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
(4%), Radius & Ulnar ... • Extension of wrist ... (2%), Radius & Ulna ... (5%), Radius & Ulna ... Scissors #Nerve #Injury
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... - Radial Nerve Injury ... • Claw Hand - Ulnar ... Nerve Injury • ... - Median Nerve Injury
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... distal to distal ulna ... , pain with wrist ... distal radius or ulna ... Triquetrum #Fracture #Wrist
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Mallet finger - injury ... Boutonniere deformity - injury ... Gamekeeper's thumb injury ... to ulnar collateral ... 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
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 ... box, pain with wrist ... #TerryThomas #Wrist ... #Scaphoid #Carpal
Guide for testing and documenting neurological function in kids with upper limb fractures 

Rock - Median
Nerve Scissors - Ulnar ... Peripheral #Nerves #PhysicalExam ... Radial #Median #Ulnar ... Mnemonic #Upper #Arm #Injury