26 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... space and the wrist ... #diagnosis #neurology ... #orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... carpal tunnel syndrome ... Distal #Radiology #XRay ... #Diagnosis #Management
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... sleeping as in this case ... clinical #video #orthopedics ... #msk #sports #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Wrist drop - Occurs ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... Disposition: Pending orthopedic ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
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 ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Sub-Cortical (Corona radiata ... Nerve Palsies ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsy • Medial ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... posterior interosseous nerve ... ), compartment syndrome ... Ulnar #Radiology #XRay ... #Diagnosis #Management
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
Paresis of the cranial ... nerves Ill, IV, ... or orbit (MRI) Treatment ... #TolosaHunt #neurology ... #diagnosis