21 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
the nerve of elbow ... the wrist and elbow ... When clinically ... drop: ECRB and ... #diagnosis #neurology
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Drop - Radial Nerve ... Injury • Claw Hand ... #Differential #Diagnosis
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... Examination Left hand ... of the radial nerve ... #Drop #Radial #
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... with the distal radius ... onto outstretched hand ... fracture, median nerve ... Radiology #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... aracteristic "claw hand ... drop - Occurs after ... nerve in the radial ... Dermatomes #Myotomes #diagnosis
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... finger/wrist drop ... both supination and ... Drop #clinical #
Cozen’s Test for Lateral Epicondylitis ("Tennis Elbow")

Also known as the "resisted wrist extension test".  
With
("Tennis Elbow" ... the "resisted wrist ... pronated, hand ... dorsiflex the wrist ... #clinical #video
Mill's Test for Lateral Epicondylitis ("Tennis Elbow")

With the elbow fully extended and forearm pronated, passively flex
Mill's Test for ... ("Tennis Elbow" ... fully extended and ... passively flex the wrist ... #clinical #video
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Cord Injury by Nerve ... Respiration None C5 Radial ... C6 Dorsal Thumb Wrist ... Hamstring Reflex S1 Lateral ... #differential #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Fractures (medial/lateral ... epicondyle > radial ... anterior interosseous nerve ... dislocation + radial ... Radiology #XRay #Diagnosis