12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... flexion and extension ... distal radius or ulna ... Triquetrum #Fracture #Wrist
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... Fractures • Extension ... of wrist & MCP ... Small muscles of hand ... UpperExtremities #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 ... #carpi #ulnaris ... clinical #video #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 ... extensors (ECU, ... clinical #video #physicalexam
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... finger through the Ulnar ... • Carpal tunnel ... #Nerve #Anatomy ... #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... styloid fracture, median ... #Carpal #Radiology ... #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... Tenderness to anatomic ... box, pain with wrist ... extension • Possible ... #Radiology #XRay
Ulnar Styloid Tenosynovitis Effusion Milking in Rheumatoid Arthritis

How to demonstrate tenosynovitis- milk it to increase pressure
Ulnar Styloid Tenosynovitis ... increase pressure and ... arthritis often has extensor ... carpi ulnaris involvement ... clinical #video #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 ... from lateral to medial ... ulna is also seen ... #XRay #Anatomy