10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C8-T1 (ulnar) ... C7-T1 (ulnar) ... 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 ... Orthopedics #Sports #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
slightly extended, and ... when ulnar deviation ... extensors (ECU, ... #msk #orthopedics ... clinical #video #physicalexam
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
ulnar deviates ... tendinopathy of the abductor ... extensor pollicis ... Eichhoffs #Test #deQuervains ... #sports #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... emergent reduction ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
WHAT test - Wrist Hyperflexion and Abduction of the Thumb 

The wrist is hyperflexed and the
Abduction of the ... interphalangeal extension ... #Thumb #Test #DeQuervains ... Tenosynovitis #PhysicalExam ... video #sports #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... Tenderness to anatomic ... extension • Possible ... #Radiology #XRay ... Orthopedics #Sports #MSK
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
of involuntary abduction ... action of the extensor ... clinical #video #hand ... #mask #ulnar #neuropathy ... #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 ... clinical #video #physicalexam ... #msk #orthopedics
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... Carpi Ulnaris ( ... ), is the must ulnar ... subluxation #clinical #physicalexam ... #msk