23 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the nerve of elbow ... , wrist and digital ... extension. ... the wrist and elbow ... When clinically
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... aracteristic "claw hand ... nerve in the radial ... Carpal Tunnel Syndrome
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... onto outstretched hand ... extension • ... fracture, median nerve ... Orthopedics #Sports #MSK
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... nerve palsy with ... nerve palsy. ... #Radial #Nerve ... #Palsy #Drop #clinical
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... " on lateral x-ray ... flexion and extension ... dislocation, distal radius ... Orthopedics #Sports #MSK
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, resist extension of the 3rd digit,
") With the wrist ... digitorum muscle and ... Video by Danielle ... #clinical #video ... #physicalexam #msk
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, the patient attempts extension of the
Epicondylitis ("Tennis Elbow ... ") With the wrist ... digitorum muscle and ... #clinical #video ... #physicalexam #msk
Cozen’s Test for Lateral Epicondylitis ("Tennis Elbow")

Also known as the "resisted wrist extension test".  
With
the "resisted wrist ... extension test" ... pronated, hand ... dorsiflex the wrist ... #clinical #video
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... onto outstretched hand ... extension • Possible ... injuries: distal radius ... Orthopedics #Sports #MSK