12 results
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 ... extensors (ECU, ... #orthopedics #clinical
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... Small muscles of hand ... adduction) OK Sign ... UpperExtremities #diagnosis #neurology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... dorsum of the hand ... , pain with wrist ... flexion and extension
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... onto outstretched hand ... Tenderness to anatomic ... extension • Possible
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... along the dorsal ulnar ... aspect of the wrist ... #extensor #carpi ... ulnaris #Tendinitis #clinical
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... and digital extension ... the wrist and elbow ... When clinically ... #diagnosis #neurology
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
action of the extensor ... #PhysicalExam #clinical ... #video #hand #mask ... #ulnar #neuropathy ... #neurology
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor ... Carpi Ulnaris (ECU ... the elbow to the hand ... #clinical #physicalexam
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... and wrist joint ... important to look for signs ... ulna is also seen ... proximal to the carpal