5 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... L2, L3, L4 • Ankle ... • Cauda Equina Syndrome ... saddle (perineal) anesthesia ... Myotomes #diagnosis #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
> Anterior spinal ... Sensory loss below ... reflex. saddle anesthesia ... signs #symptoms #msk ... #orthopedics #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Carpal Tunnel Syndrome ... Anterior Shoulder ... Dislocation - May ... regimental badge" anesthesia ... #sensory #motor
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L5/S1 with an inferior ... and/or genital sensory ... • S - Saddle anesthesia ... weakness and sensory ... diagnosis #causes #neurology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... Neurologic injuries ... Compartment syndrome ... Posterior #Injury #msk ... #clinical #video