19 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Hand - Ulnar Nerve ... InjuryHand ... Differential #Diagnosis #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... of the radial nerve ... #Drop #Radial # ... Nerve #Palsy #PhysicalExam
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
When clinically ... nerve injury ... nerve injury ... drop: ECRB and ... wrist extension
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
drop - Occurs after ... nerve in the radial ... spared in this injury ... Carpal Tunnel Syndrome ... sensory #motor #arm #physicalexam
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... injury • ED ... #Orthopedics #Sports ... #MSK
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
finger/wrist drop ... both supination and ... #Radial #Nerve ... #Palsy #Drop #clinical ... #video #physicalexam
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... The patient radially ... #carpi #ulnaris ... #msk #orthopedics ... #sports
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
when ulnar deviation ... extensors (ECU, ... #msk #orthopedics ... #clinical #video ... #physicalexam
Examination for ECU Tendinitis 

ECU tenosynovitis is the second most common type of tenosynovitis around the
#carpi #ulnaris ... #clinical #video ... #physicalexam # ... msk #orthopedics ... #sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... onto outstretched hand ... extension • Possible ... injuries: distal radius ... #MSK