29 results
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Peripheral Nerve Injury ... to make the OK sign ... #physicalexam #msk ... #sports #neurology ... #orthopedics #Hand
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
) for ACL Injury ... 3rd of the calf and ... #ACL #Injury #acl ... #physicalexam #sports ... #msk #orthopedics
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... clumsiness in hands ... pathophysiology #signs ... #symptoms #msk ... #orthopedics #neurology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... injuries: distal radius ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... onto outstretched hand ... , median nerve injury ... #Orthopedics #Sports ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... onto outstretched hand ... (LCL > MCL), coronoid ... radioulnar joint injury ... #Orthopedics #MSK
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
of Electrical Injury ... ED arrival MSK ... dislocations (posterior shoulder ... compartment syndrome ... may be severe and
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... can't make A-OK sign ... artery injury ... #Orthopedics #Sports ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... " ± Horner Syndrome ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
fat pad (sail sign ... Not all joint effusions ... a significant injury ... of the humerus should ... head and neck should