14 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Reflexes: • Triceps ... • Biceps Jerk - ... Triceps power is ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Ankle - S1 • Biceps ... - C5, C6 • Triceps ... - C6, C7, C8 ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Illustrations showing elements of a shoulder assessment. Also included on a shoulder assessment would be determination
tuberosity tenderness, biceps ... positive test for biceps ... #Diagnosis #PhysicalExam
Shoulder Exam - Provocative Testing

Supraspinatus muscle injury:
 - Jobe’s Test
 - Hawkin’s Test
 - Drop Arm
O’Brien Test Biceps ... Yergason Test #Diagnosis ... #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
Elbow Flexion Biceps ... Brachioradialis Reflex C7 ... Elbow Extension Triceps ... #differential #diagnosis
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
peripheral lesion of CN ... VII, the facial ... VII, exemplified ... #CNVII #CN7 #Peripheral ... Palsy #Neurology #Diagnosis
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
cranial nerves VII ... CN VII (facial weakness ... “mee-mee-mee;” CN ... Fasciculations #PhysicalExam
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
arises from C5, C6, C7 ... branches are to the triceps ... nerve remember: • Triceps ... Nerve #Anatomy #diagnosis
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
females Differential Diagnosis ... : • CN Ill Palsy ... #Adies #Pupil #PhysicalExam
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
levels of factors VII ... Thromboembolism (7%) • CNS ... #Coagulation #diagnosis