11 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... can't make A-OK sign ... #Radiology #XRay ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Tenderness to anatomic ... injuries: distal radius ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... When clinically ... #Nerve #Anatomy ... #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... nerve in its path ... Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... nerve in the radial ... in the median nerve ... Anterior Shoulder Dislocation ... nerve damage resulting
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
injuries: Perilunate dislocation ... , distal radius ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... anterior interosseous nerve ... Humerus #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... posterior interosseous nerve ... Ulnar #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Proximal #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Pathogenesis, clinical ... on axillary x-ray ... Structural damage to nerves ... #Diagnosis #signs ... #symptoms #msk