11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
and Myotomes Motor ... , T1 (median) Reflexes ... #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Ankle - S1 • Biceps ... Commonly caused ... #neurology #sensory ... #motor #leg #physicalexam
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 Root Sensory Motor ... Elbow Flexion Biceps ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Pediatric Primitive Reflexes - Maneuver and Ages

Palmar Grasp Reflex
 - Place your fingers into the baby's
Pediatric Primitive ... Ages #Timeline #Pediatrics ... #Peds #Diagnosis ... #Neurology #PhysicalExam ... GrepMed Recommended Text
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
normal plantar reflex ... A positive test, ... with an upper motor ... #Plantar #PhysicalExam ... #Diagnosis #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Casey Albin MD @ ... caseyalbin #PhysicalExam ... #neurology #comatose ... #diagnosis
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
the pupillary reflex ... very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... Pupils #MacrusGunn #PhysicalExam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #causes #neurology
Reflexes - Deep Tendon Reflexes on Newborn Physical Exam 
Testing deep tendon reflexes is an important
For the bicep jerk ... hypotonia and the cause ... is an upper motor ... #Newborn #PhysicalExam ... #video #peds #pediatrics
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Spasticity - Reflexes ... bouts of HTN Diagnostic ... : • Sensory, motor ... negative, MOG-IgG test ... #management #neurology