13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... axillary nerve ... regimental badge" anesthesia ... #UpperLimb #Extremity ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... saddle (perineal) anesthesia ... Commonly caused ... damage to peroneal nerve ... sensory #motor #leg #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Spinal stenosis/nerve ... cyanosis - Cool extremity ... Paralysis 4) Paresthesia ... diagnosis #lower #extremity ... #msk #physicalexam
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
patient under anesthesia ... That causes the ... clinical #video #PhysicalExam ... #Sports #Ortho
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Drop - Radial Nerve ... of the radial nerve ... sleeping as in this case ... #Palsy #PhysicalExam ... orthopedics #msk #sports
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 ... • S - Saddle anesthesia ... - Emergency Causes ... or absent lower extremity ... differential #diagnosis #causes
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Test for Ulnar Nerve ... grip weakness caused ... by ulnar nerve ... video #neurology #physicalexam ... #orthopedics #sports
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... • Weakness: Starts ... 30%) • Facial Nerve ... • Pain: Due to nerve
A 70-year-old woman attends a check-up with a family doctor. As a background, he has a
the peripheral nerve ... initiating trains of nerve ... skeletal muscles to cause ... Trousseau #Sign #PhysicalExam ... #Clinical #Photo
Median Nerve Injury and Anhidrosis
Note dry skin that precisely matches a median nerve distribution (spares ulnar
Median Nerve Injury ... matches a median nerve ... distribution (spares ... wound to the wrist caused ... Hand #Clinical #Photo