66 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Injury • Claw ... Hand - Ulnar Nerve ... Injury • Hand ... Injuries #Anatomy ... Diagnosis #MSK #Orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... the radial head dislocation ... posterior interosseous nerve ... syndrome, ligamentous injury ... DC with orthopedic
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... ), ligamentous injury ... brachial artery injury ... Complex, pending orthopedic
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
Ulnar Nerve Anatomy ... nerve is the nerve ... When clinically ... #Nerve #Anatomy ... diagnosis #neurology #orthopedics
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Anterior Shoulder Dislocation ... injuries: Axillary nerve ... injury (40%, loss ... neurovascular injury ... Diagnosis #Management #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... to the radial nerve ... spared in this injury ... Anterior Shoulder Dislocation
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... • Due to injury ... Tenderness to anatomic ... follow-up with orthopedics ... Diagnosis #Management #Orthopedics
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Nerve Palsy ... grip weakness caused ... by ulnar nerve ... clinical #video ... physicalexam #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... fracture, median nerve ... injury • ED ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... prevent radial and ulnar ... Hyperextension injury ... Discharge with orthopedic ... Management #Hand #Orthopedics