11 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • ... pain, sciatica, saddle ... #diagnosis #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 Cord Injury ... C7 Dorsal Middle ... None T7-T12 See Dermatomes ... #differential #diagnosis ... #Neurology #Spine
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
sequestration • Saddle ... Mnemonic: • S - Saddle ... : • Spinal cord ... region (S2-S4 dermatomes ... #causes #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Primarily Upper Extremity ... bladder and rectal reflex ... . saddle anesthesia ... Injury #Syndromes #diagnosis ... #orthopedics #neurology
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
sensitivity to cold ... and laboratory evaluation ... confirmed a diagnosis ... Woltmans #Signs #PhysicalExam ... Delayed #Clinical #Video
Tromner Sign on Physical Exam

Tromner sign indicates pyramidal release.  The Tromner sign is flexion of
phalanx of the middle ... response in the upper extremity ... Tromners #Sign #Reflex ... #clinical #Video ... #Neurology #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Dermatomes and Myotomes ... , T1 (median) Reflexes ... #diagnosis #neurology ... sensory #motor #arm #physicalexam
Hoffmann's sign was originally described as follows: the test is performed by supporting the patient's hand
The middle finger ... cervical spinal cord ... #Clinical #Video ... Hoffmanns #Sign #PhysicalExam ... #Neurology #Reflex
Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
of the spinal cord ... modified Rossolimo reflex ... the tip of the middle ... #clinical #Video ... #Neurology #physicalexam
Tromner Sign on Physical Exam
Tromner sign indicates pyramidal release.  The Tromner sign is flexion of
response in the upper extremity ... Tromner #Sign #Reflex ... #PhysicalExam # ... clinical #video ... #neurology