19 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... flexion and extension ... #XRay #Diagnosis ... #Sports #MSK
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... tendon with the ... #extensor #carpi ... #clinical #video ... #physicalexam #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... extension • ... fracture, median nerve ... #XRay #Diagnosis ... #Sports #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
injury to the lateral ... extensor slips ... of extensor tendon ... thumb injury to ulnar ... #Radiology #Wrist
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
Examination for ECU Tendinitis 

ECU tenosynovitis is the second most common type of tenosynovitis around the
tenosynovitis around the wrist ... #extensor #carpi ... #ulnaris #clinical ... #video #physicalexam ... #msk #orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
, wrist and digital ... extension. ... the wrist and elbow ... ulnarly deviated ... wrist extension
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
onto outstretched hand ... box, pain with wrist ... extension • Possible ... #Radiology #XRay ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
musculocutaneous) • Extension ... Pronation - C7, C8 Wrist ... C7 (median) • Extension ... C8 (median) • Extension ... Carpal Tunnel Syndrome
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, resist extension of the 3rd digit,
") With the wrist ... prone, resist extension ... digitorum muscle and ... tendon. ... #physicalexam #msk