7 results
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
Respiration None C5 Radial ... Antecubital Fossa Elbow ... Flexion Biceps ... Middle Finger Elbow ... differential #diagnosis #Neurology
Elbow Injuries - Epicondyle Fracture (Medial) #EM #Ortho #Medial #Epicondyle #Fracture #Diagram #ALiEM
Elbow Injuries - ... Epicondyle Fracture ... (Medial) #EM #Ortho ... #Fracture #Diagram ... #ALiEM
Radial Head Fracture Classification - I: Minimally displaced fracture ≤2 mm. II: Fracture fragment displaced >2
Radial Head Fracture ... IV: Associated elbow ... Diagnosis #EM #Ortho ... #Radial #RadialHead ... #ALiEM
Bicep muscle injury - Yergason Test - 1. Position patient's elbow at 90 degrees with thumb
Bicep muscle injury ... patient supinate and flex ... wrist) #Diagnosis #Ortho ... #Sports #Bicep ... Yergason #Test #ALiEM
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... - C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Jerk - C7, C8 • Biceps ... Myotomes #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... and Myotomes Reflexes ... Ankle - S1 • Biceps ... such as fibular fracture ... Myotomes #diagnosis #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
distinguishing feature ... reflexes - reduced ... wink test - reflex ... MRI- Sagittal, axial ... diagnosis #causes #neurology