24 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... "Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... Orthopedics #Sports #MSK
OK Sign - Interosseous Nerve Injury

Patients with compromise of anterior interosseous nerve will not be able
OK Sign - Interosseous ... Nerve Injury ... perform the OK sign ... and abnormal OK signs ... #OK #Sign #Abnormal
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... fracture, median nerve ... injury • ED ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... "pooping duck sign ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Syndrome (SIS): Signs ... abduction + Neer's sign ... Syndrome #SIS #diagnosis ... #signs #symptoms ... #msk #pathophysiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
, outstretched arm ... #Dislocation #Diagnosis ... #signs #symptoms ... #msk #orthopedics ... #pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Stimulation of nerve ... boggy" joints, esp carpal ... Extra-articular signs ... #signs #symptoms ... #diagnosis
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
Hamate Fracture on Wrist ... if plain films are ... with associated signs ... neurovascular injury ... WristXRay #Radiology #MSK
Shoulder Shrug Sign for Rotator Cuff Injury

The "Shrug Sign” is the inability to lift the arm
Shoulder Shrug Sign ... for Rotator Cuff Injury ... The "Shrug Sign ... inability to lift the arm ... #Shrug #Sign #Rotator