7 results
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Orthopedic Essentials ... Spinal Trauma and Spine ... fractures: Don't cause ... spinal deformity or neurologic ... Classification #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Anterior Drawer Test for PCL Injury on Knee Examination

The patient lays supine with the knee approximately
Anterior Drawer ... Test for PCL Injury ... #Drawer #Test # ... Cruciate #Ligament ... #physicalexam #orthopedics
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
by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... None T7-T12 See Dermatomes ... Abdominal Reflex L2 Anterior ... #Spine
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... rarely follow dermatomal ... Straight Leg Raise Test ... (near anterior ... superior iliac spine
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... region (S2-S4 dermatomes ... • Provocative Tests ... #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... injury (25%) TEST ... lachmans, posterior drawers ... , and special ligament ... trauma/vascular/orthopedic