Catalyst University
Sternoclavicular (SC) & Acromioclavicular (AC) Joints REVIEW
In this video, we do a brief review of the anatomy of the sternoclavicular (SC) & acromioclavicular (AC) joints.
Catalyst University
Melanin Physiology: Conversion of Dopachrome to Dihdroxyindole
Melanin Physiology: Conversion of Dopachrome to Dihdroxyindole
Catalyst University
Vitamin B5 [Pantothenic Acid] | Salvage, CoA Biosynthesis, & Other Facts
In this video, we discuss the salvage pathway for vitamin B5 (pantothenic acid), its biochemical reconstruction after absorption, and some clinical implications for vitamin B5 deficiency.
Catalyst University
Steroidogenesis | The Biosynthesis of Steroids from Cholesterol
In this video, we examine the conversion of cholesterol to all of the major steroid classes: progestogens, mineralocorticoids, glucocorticoids, androgens, and estrogens.
Curated Video
The Phenomenon of Temporal Induction in Speech
When small sections of speech or sound are removed, our brains fill in the gap. This is called Temporal Induction of Speech. Learn how it works and listen to an example.
Catalyst University
Lachman's Test | Rationale & Interpretation
In this video, I explain and demonstrate Lachman's test, a special test used in the assessment of ACL injuries. More specifically, we will cover the procedure, interpretation of results, and its psychometric properties.
Catalyst University
The Nuclear Pore Complex: Nuclear Import, Export, & RAN
In this video, we discuss the mechanisms by which proteins are targeted to the nucleus (import) and moved from the nucleus to the cytoplasm (export). Collectively, nucleocytoplasmic transport is regulated by the nuclear pore complex and...
Catalyst University
The Acromioclavicular (AC) Joint | Anatomy and Function
In this video, we will discuss the structure of the acromioclavicular (AC) joint along with the associated stabilizing ligaments and other nearby structures.
Catalyst University
Type I Alveolar Cells, Respiratory Membranes, & Gas Exchange
In this video, we discuss how gas exchange occurs across the respiratory membrane at the alveoli and how this involves Type I Alveolar Cells.
Catalyst University
More Pressure-Volume (PV) Curves
In this video, we discuss another type of pressure-volume loop in detail that you may encounter in your anatomy and physiology class.
Catalyst University
Mechanisms of β1-blockers, Calcium-channel Blockers, & α-blockers
In this video, we will be exploring the mechanisms of action of several antihypertensive drugs that act in the cardiovascular system and on the heart: β-blockers, calcium-channel blocker's, and α-blockers.
Catalyst University
Roos Test (Elevated Arm Stress Test) | Rationale & Interpretation
In this video, I explain and demonstrate the Roos test (Elevated Arm Stress Test), one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and...
Catalyst University
Prions | Mechanism of Classical Creutzfeldt-Jakob Disease (cCJD)
In this video, I discuss the mechanism of development and propagation of Classical Creutzfeldt-Jakob Disease (CJD).
Catalyst University
Motor Learning | Practice Intensity [Cardiovascular & Perfection]
In this motor learning video, we explore how practice intensity is classified, in terms of cardiovascular and perfection perspectives.
Catalyst University
Heme Catabolism (1/2): Eukaryotic Reactions of Heme to Bilirubin
Heme Catabolism (1/2): Eukaryotic Reactions of Heme to Bilirubin
Catalyst University
Capsaicin | Biosynthesis, Mechanism, & Metabolism
In this video, we explore the active ingredient in hot peppers, capsaicin, and discuss its biosynthesis, mechanisms, & metabolism.
Catalyst University
Assistive Devices/Gait Patterns | 3-, 2-, & 4-point Patterns
In this video, we explore gait patterns that can be done with bilateral assistive devices including axillary crutches, straight canes, forearm and Lofstrand crutches (axillary crutches on demonstration here). More specifically, we will...
Catalyst University
Pharmacology of Parkinson's Disease
In this video, we explore the basic pharmacology of Parkinon's disease.
Catalyst University
RPAs EXPLAINED [Part 2 FULL] | Vestibulospinal Reflex (VSR) & Hip Strategies
In this video, we explore the following: [1] structure and functions of the vestibulospinal and vestibulocollic reflexes, or the VSR and the VCR. [2] various types of hip strategies, their form, detection, and patterns of muscle activation.
Catalyst University
TherEx | Sidelying Hip ABDuctions & Progressions
In this video, I demonstrate and explain correct technique for the sidelying hip ABD along with one good progression of the exercise.
Catalyst University
TherEx | Prone Hip EXTensions & Progressions
In this video, I demonstrate and explain correct technique for the prone hip EXTension along with a couple good progressions of the exercise.
Catalyst University
Screw-Home Mechanism of the Knee EXPLAINED
In this video, we explore the screw-home mechanism of the knee joint that occurs near terminal knee extension in both open and closed-chain positions.
Catalyst University
High Ankle Sprains - Special Tests [External Rotation & Syndesmotic Squeeze Tests]
In this video, I explain and demonstrate two special tests used in the diagnosis of a high ankle sprain: the external rotation test and the syndesmotic squeeze.