14 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
Sensory Motor Reflex ... Antecubital Fossa Elbow ... Middle Finger Elbow ... None T7-T12 See Dermatomes ... differential #diagnosis #Neurology
Bicep muscle injury - Yergason Test - 1. Position patient's elbow at 90 degrees with thumb
Position patient's elbow ... patient supinate and flex ... wrist) #Diagnosis #Ortho ... #Sports #Bicep ... Yergason #Test #ALiEM
Infraspinatus scapular rotation test - Patient has pain when externally rotates shoulder against resistance (with elbow
resistance (with elbow ... flexion) #Diagnosis #Ortho ... #Sports #Infraspinatus ... RotatorCuff #Test #ALiEM
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... - C6, C7, C8 Elbow ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... and Myotomes Reflexes ... • Cauda Equina Syndrome ... LowerLimb #Extremity #Dermatomes ... Myotomes #diagnosis #neurology
Labral tear - Crank Test 1. Position patient's arm in 90 degree abduction and elbow flexion
abduction and elbow ... arm #Diagnosis #Ortho ... #Sports #Labral ... #Test #Crank #ALiEM
Hawkin's Test 1. Position arm in throwing position and flex forward 30 degrees. 2. Examiner internally
throwing position and flex ... #Diagnosis #Ortho ... #Sports #Supraspinatus ... #Test #Hawkin #ALiEM
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Unresponsive wakefulness syndrome ... • Locked-in syndrome ... • Gag reflex ... flexed at the elbow ... #PhysicalExam #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
lower extremity reflexes ... region (S2-S4 dermatomes ... bulbocavernosus reflex ... wink test - reflex ... diagnosis #causes #neurology
Labral tear - O'Brien Test - 1. Position patient's shoulder in 90 degree flexion, elbow extended,
degree flexion, elbow ... up) #Diagnosis #Ortho ... #Sports #Labral ... #Test #OBrien #ALiEM