Catalyst University
Cremasteric Reflex | Procedure & Results Interpretation
In this video, I explain the cremasteric reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal.
Catalyst University
BPPV Diagnosis | Horizontal Roll Test [Performance, Interpretation]
In this video, I explain and demonstrate the Horizontal Roll Test with relevant reasoning, considerations, and interpretation of the test.
Catalyst University
The Cardiac Conduction System
In this video, we discuss the components of and functions of the electrical conduction system of the heart.
Catalyst University
Pharmacology of Diabetes Mellitus | Mechanisms of Action
In this video, we explore the mechanisms of action of the major drugs that are used to control diabetes mellitus. Insulin therapy will be discussed in a separate video, so this video includes all other major medications.
Catalyst University
Hip Scour for Non-specific Hip Pathologies | Rationale & Interpretation
In this video, I explain and demonstrate the hip scour test. More specifically, we cover its rationale and interpretation of results.
Catalyst University
Craig's Test (Trochanteric Prominence Angle Test) | Rationale & Interpretation
In this video, I explain and demonstrate Craig’s test, a special test used in the assessment of femoral anteversion and retroversion, mostly in the pediatric population.
Catalyst University
Upper Rib Movement EXPLAINED | Bananas and Oranges?
In this video, we will explore the posterior and anterior rotation movements of the ribs in the upper thoracic spine with flexion and extension.
Catalyst University
Type I vs Type II Diabetes EXPLAINED
In this video, we will explore the differences between type I and type II diabetes mellitus after reviewing the normal physiology.
Catalyst University
The Coronavirus Replication Cycle
In this video, I explain how the Coronavirus (COVID-19) infects and replicates inside the host’s cells.
Catalyst University
Enzyme Inhibitors | Mechanisms, Michaelis-Menten Plots, & Effects
In this video, we will discuss the mechanisms of different types of biochemical inhibitors, how to interpret their Michaelis-Menten plots, and their effects on Vmax and Km of enzymes.
Catalyst University
Plantar Fasciitis | Treatments (Self-Manual Therapy & Stretches)
In this video, we will explore several treatment options for plantar fasciitis including forms of self-manual therapy and stretches of the plantar fascia.
Catalyst University
Pharmacology of the Clotting (Coagulation) Cascade
In this video, we explore the mechanisms of action of drugs affecting some aspect of the clotting cascade including factor Xa, thrombin, and plasmin.
Catalyst University
Rear Naked Choke | How Does It Work?
In this video, we discuss the mechanism of how the MMA/jujutsu technique, rear naked choke, causes the opponent to pass out.
Catalyst University
Cyriax Release-Based Treatment (for Thoracic Outlet Syndrome)
In this video, I explain and demonstrate a treatment for thoracic outlet syndrome (TOS), specifically for individuals who demonstrate a (+) Cyriax release test.
Catalyst University
Mechanisms of Spasticity and Baclofen [Biochemical & Macroscopic]
In this video, we explore the mechanisms of spasticity and baclofen, the major drug used in the treatment of spasticity. Also be sure to check out my video on the Modified Ashworth Scale!
Catalyst University
Classifying Burns EXPLAINED
In this video, we discuss the classification of burn injuries from first degree to third/fourth degree.
Catalyst University
The Pupillary Light Reflex | Structure & Clinical Interpretation
In this video, we discuss the structure and physiology of the pupillary light reflex, a reflex arc that includes the optic nerves and oculomotor nerves (CNs II & III).
Catalyst University
Basics of Drug Interactions EXPLAINED | Inhibition & Induction
In this video, we explore the basic mechanisms of drug interactions (inhibition and induction), using examples with cytochrome P450 and two drugs, drug A and drug B.
Catalyst University
Nystagmus EXPLAINED 👀 | Visualizing & Interpretation
In this video, we explore nystagmus. We explore how you determine the type of nystagmus (upbeating, downbeating, geotropic, and ageotropic nystagmus) from their linear and torsional components.
Catalyst University
Parkinson's Disease [Part 1] | The 4 Cardinal Signs
In this video, we explore the major signs and symptoms of Parkinson’s disease including the 4 cardinal signs.
Catalyst University
Romberg & Sharpened Romberg Tests EXPLAINED
In this video, I explain and demonstrate the Romberg and Sharpened Romberg test, two related balance tests that are used in the assessment of sensory organization of balance.
Catalyst University
Guillain-Barré Syndrome | Mechanism & Presentation
In this video, we discuss the mechanism and clinical presentation of Guillain-Barré syndrome.
Catalyst University
Cell Cycle Regulators & Tumor Suppressor Genes | Proto-oncogenes & Oncogenes
In this video, we discuss the difference between proto-oncogene and oncogene AND the meaning of tumor suppressor genes. We also explore how dysfunction in any of these can lead to cancer.
Catalyst University
Vitamin D | Biosynthesis & the Vitamin D Receptor
In this video, we discuss the biosynthetic pathway for vitamin D and how vitamin D exerts its functions at the gene expression level. We also explore the clinical affect of statin therapy on vitamin D levels.