Catalyst University
Posterior Shear Test for Lumbar Instability | Rationale & Interpretation
In this video, I explain and demonstrate the posterior shear test, a special test used in the assessment of lumbar posterior instability. More specifically, we cover the hand placement in detail, the testing procedure, and the...
Catalyst University
Plantar Fasciitis | Presentation, Diagnosis, & Special Tests
In this video, we will do the following as it pertains to plantar fasciitis: [1] Discuss the relevant anatomy of the plantar aponeurosis (fascia). [2] The Windlass mechanism. [3] The typical presentation of a patient with plantar...
JJ Medicine
Norovirus (Norwalk Virus) | Transmission, Pathogenesis, Symptoms, Prevention
Norovirus (Norwalk Virus) Transmission, Pathogenesis, Symptoms, Diagnosis, Treatment and How to Prevent It and/or Reduce Risk of Infection. Norovirus is a very common cause of gastrointestinal infection, and is highly infectious. In this...
Catalyst University
Navicular Drop Test for Subtalar Pronation
In this video, I explain and demonstrate the navicular drop test, a special test used in the assessment of excessive subtalar pronation.
Catalyst University
Manipulations | Introduction 🦴 Terminology
In this video, I introduce some important terminology used when discussing mobilizations and manipulations. [1] Cavitations [2] 2nd MCP, Pisiform, Hypothenar [3] Articular pillar
Catalyst University
Homan's Sign for DVTs | Controversy & Interpretation
In this video, I explain and demonstrate the test for Homan’s sign, a controversial special test used in the assessment of deep vein thromboses (DVTs).
Barcroft Media
My Tourette's Disappears When I Sing
WICKFORD, UNITED KINGDOM - JUNE 26: Emilly Carter, who has Tourettes, sings at home on June 26, 2017 in Wickford, Essex. AS EMILLY Carter finishes her song, the only thing that's noticeable about her singing is that it's very, very good....
Catalyst University
Ottawa Ankle & Foot Rules EXPLAINED
In this video, I explain the Ottawa Ankle and Foot Rules, a set of criteria that help determine whether or not radiography is necessary prior to beginning physical therapy treatment of the ankle and foot.
Barcroft Media
The Girl Who Doesn't Sleep: BORN DIFFERENT
A THREE-YEAR-OLD girl has a rare condition which means she can survive on an hour of sleep a night. Exhausted parents Robin Audette and Kirk Hisko are lucky to get between four to six hours sleep a night, but their energetic daughter...
JJ Medicine
Chagas Disease | American Trypanosomiasis | Causes, Symptoms and Treatment
Lesson on Chagas Disease (American Trypanosomiasis) : Causes, Symptoms and Treatment. Chagas Disease is caused by the parasitic protozoa Trypanosoma Cruzi. Trypanosoma cruzi protozoa are carried in the triatomine bug (aka Kissing Bug)...
Brainwaves Video Anthology
Bryce D. McLeod - Helping Children with Behavioral and Emotional Problems
Dr. McLeod is an associate professor of psychology at Virginia Commonwealth University where he is the director of the child/adolescent concentration in the clinical psychology program. The recipient of NIMH and IES grant awards, his...
Curated Video
Bells Palsy: Facial Nerve Weakness
Bell's Palsy occurs due to facial nerve weakness. It is a result of facial nerve compression at the “Facial canal”. I cover the following information about bells palsy in this animation. 1) Symptoms of bells palsy 2) Pathophysiology of...
JJ Medicine
Vasa Previa (Obstetrical Condition) | Causes, Risk Factors, Signs & Symptoms, Diagnosis, Treatment
Vasa Previa (Obstetrical Condition) | Causes, Risk Factors, Signs & Symptoms, Diagnosis, Treatment Vasa previa is an obstetrical condition involving unprotected fetal blood vessels that cross over the opening of the cervix, which can...
Catalyst University
Diagnosing Nerve Damage with EMG [Example 1] | UE, Proximal to Elbow
In this video, we do an example of diagnosing nerve damage LOCATION using EMG data. This example [Example 1] is for damage to an UE nerve at a site proximal to the elbow and thus utilizes the brachial plexus.
Catalyst University
Mechanism of Facial (Bell's) Palsy and Clinical Interpretation
In this video, we discuss the mechanisms by which the facial nerve’s function can be interrupted (UMN and LMN lesions) and how to predict where a lesion occurs.
JJ Medicine
Ringworm (Tinea Corporis) | Causes, Risk Factors, Signs & Symptoms, Diagnosis and Treatment
Ringworm (Tinea Corporis) is a fungal skin infection cause by fungi known as dermatophytes. In this lesson, we discuss these dermatophytes, along with risk factors for infection, signs and symptoms, a variation of clinical presentations...
Curated Video
Creutzfeldt-Jakob Disease (CJD): An Overview of Symptoms, Causes, & Diagnosis
Creutzfeldt-Jakob Disease (CJD) is a rare and fatal neurodegenerative disorder caused by the abnormal folding of proteins, known as prions. I made an animated overview of the Symptoms, Causes, Diagnosis, Pathophysiology & management. All...
Catalyst University
Shoulder ABDuction Test | Rationale & Interpretation
In this video, I explain and demonstrate the Shoulder ABDuction Test, a special test used in the assessment and differentiation of cervical radiculopathies and thoracic outlet syndrome (TOS). More specifically, we cover the test...
JJ Medicine
Pelvic Inflammatory Disease (PID) Signs & Symptoms (& Why They Occur)
Pelvic Inflammatory Disease (PID) Signs & Symptoms (& Why They Occur) Pelvic inflammatory disease (PID) is a condition involving inflammation of pelvic structures, including the endometrium, fallopian tubes and ovaries. PID can be caused...
JJ Medicine
Onychomycosis | Nail Infection | Signs, Symptoms, Treatment
Lesson on onychomycosis. Onychomycosis is an infection of a nail by fungi known as dermatophytes. These fungi invade and consume the nail, leading to characteristic nail symptoms. Treatment involves either topical antifungals or oral...
JJ Medicine
Middle Ear Infection (Acute Otitis Media) | Causes, Symptoms, Diagnosis, Treatment
Middle Ear Infection (Acute Otitis Media) | Causes, Symptoms, Diagnosis, Treatment Middle ear infections (also known as acute otitis media) are relatively common infections of the middle ear, causing inflammation and fluid buildup behind...
Healthcare Triage
Blood Pressure Guidelines Have Changed, and PANIC!
Actually, don't panic. Or maybe do panic. I don't know. The American Heart Association released new blood pressure guidelines late last in 2017. New coverage was breathless, and claimed millions of Americans suddenly had high blood...
JJ Medicine
Iliotibial (IT) Band Syndrome (Common Cause of Lateral Knee Pain) |, Symptoms, Diagnosis, Treatment
Iliotibial (IT) Band Syndrome (Common Cause of Lateral Knee Pain) | Causes, Symptoms, Diagnosis, Treatment Iliotibial (IT) Band syndrome is a relatively common condition involving lateral knee pain, most commonly seen in athletes. In...
Catalyst University
Knee-to-Wall Test | Rationale & Interpretation
In this video, I explain and demonstrate the Knee-to-Wall Test (AKA dorsiflexion lunge test OR weight-bearing lunge test), a special test used in the assessment of functional dorsiflexion ROM, specifically in the closed-chain.