12 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... and Function The Radial ... along with the radial ... assessing the Radial ... arise from the radial
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
demonstrating Radial ... Nerve Palsy as ... distinguished from lower radial ... and pronation- Radial ... #Radial #Nerve
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... compression of the radial ... #Drop #Radial # ... Nerve #Palsy #PhysicalExam ... orthopedics #msk #sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
C6, C7, C8 (radial ... - C7, C8 (radial ... - C7, C8 (radial ... damage to the radial ... nerve in the radial
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Supracondylar (4%), Radius ... Flexion Paper - Radial ... of wrist & MCP ... Supracondylar (2%), Radius ... Supracondylar (5%), Radius
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Extension ... C7 Radial Nerve ... Wrist Extension ... C6 Radial Nerve ... Knee Extension
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... extension • ... , triquetrum), radial ... fracture, median nerve
“Wrist drop” deformity due to radial nerve palsy – the patient cannot extend their wrist or
Wrist drop” deformity ... due to radial nerve ... palsy – the patient ... cannot extend their wrist ... #RadialNerve #Palsy
Radial Nerve Palsy: Note inability of patient to extend right wrist.
Charlie Goldberg, M.D. - UCSD Catalog
Radial Nerve Palsy ... to extend right wrist ... #RadialNerve #Palsy ... #Wrist #UCSDH
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Tapping the radial ... extension and wrist ... radial deviation ... as the inverted radial ... #IRR #Radial