11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... , T1 (median) Reflexes ... spared in this injury ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
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
Spinal Cord Injury ... by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... differential #diagnosis #Neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... fracture, median nerve ... injury • ED ... #Carpal #Radiology ... #Sports #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
injury. ... variable gross wrist ... fracture, median nerve ... injury, acute carpal ... #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... trauma_modern #Wrist ... clinical #video #orthopedics ... #msk #sports #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Pathophysiology: • Severe injury ... Awareness • Injury ... threat Cranial Nerves ... Casey Albin MD @ ... #PhysicalExam #neurology
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
of the median nerve ... & Ulnar nerve ( ... In this case, the ... #physicaleaxm #neurology ... #orthopedics #msk
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... The Extensor Carpi ... subluxation is caused ... physicalexam #video #Orthopedics ... #Wrist #msk
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... Spasticity - Reflexes ... • Infectious causes ... brain and/or optic nerve ... diagnosis #management #neurology