6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... Pronation - C7, C8 Wrist ... Conditions Erb's Palsy ... Wrist drop - Occurs ... Carpal Tunnel Syndrome
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
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6 ... The first motor ... • Thus a PIN palsy ... nerve (or PIN) palsy ... diagnosis #neurology #orthopedics
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Inverted Supinator Test ... lesion at the C5-C6 ... Video by Mujtaba ... Inverted #Supinator #Test ... #physicalexam #orthopedics
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... blinks to threat Cranial ... Arms extended; wrists ... Casey Albin MD @
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ...  Most common cause ... The sensory and motor ... Multiple Sclerosis: CNS ...  West Nile virus