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Catalyst University
Thumb CMC Joint Mobilizations [with Convex-Concave Rules]
In this video, we discuss how the thumb's CMC joint is mobilized using convex-concave rules.
Catalyst University
Pediatric Outcome Measures | Basics of When to Use Each
In this video we discuss the basics of major pediatric outcome measures with an emphasis on when to use each based on the validated age-ranges and whether they are norm-referenced of criterion-referenced tests.
Catalyst University
Nucleotide Metabolism | Pyrimidine Biosynthesis (UTP & CTP)
Nucleotide Metabolism | Pyrimidine Biosynthesis (UTP & CTP)
Catalyst University
Clonal Selection EXPLAINED
In this video, we discuss the basic idea of clonal selection.
Catalyst University
Breathing Techniques 😮💨 for Dyspnea & Relaxation | Pursed Lip, Diaphragmatic, & Box Breathing
In this video, I will explain and demonstrate several clinically important breathing techniques including pursed lip breathing, diaphragmatic breathing, and box breathing. See timestamps below in the comments.
Catalyst University
Biotechniques | General Theory of Western Blotting
As always, the steps of Western blotting depend on your lab and protocol. Here, we look at the general theory of the Western blot and what it is used for in the lab.
Catalyst University
Biceps Load Tests (II & I) | Rationale & Interpretation
In this video, I explain and demonstrate several special tests used in the diagnosis of SLAP tears of the shoulder joint. More specifically, I cover the rationale, interpretation of results, and psychometric properties for these tests:...
Catalyst University
Basal Nuclei | Direct & Indirect Pathways EXPLAINED [+ Review of Basal Nuclei Anatomy]
In this video, we review the anatomy of the basal nuclei and explore the structure and functions of the direct and indirect pathways of the basal nuclei.
Catalyst University
Amyotrophic Lateral Sclerosis [ALS] | Basics & Clinical Presentation
In this video, we explore the basic clinical presentation of amyotrophic lateral sclerosis or ALS. In the next video, we will take a look at the specific biochemical mechanism that kills neurons in ALS.
Catalyst University
Sarcomerogenesis | Adding Sarcomeres in Parallel & Series
In this video, we discuss the mechanisms by which sarcomeres can be added or removed from skeletal muscle myofibrils: in parallel or in series.
Catalyst University
Blood Supply to the Brain - Circle of Willis
In this video, we explore the blood supply to the brain, the vertebrobasilar system, and the Circle of Willis.
Catalyst University
Anterior Arm Compartment - Biceps Brachii, Brachialis, & Coracobrachialis
In this video, we will explore the muscles of the anterior compartment of the brachium (arm): biceps brachii, brachialis, and coracobrachialis. We will dissect their origins, insertions, innervation, and actions.
Catalyst University
Uncovertebral Joints & the Bipartite Disc | Developmental Timeline
In this video, we discuss the development of the cervical uncovertebral (UV) joints from childhood to geriatric age AND the function/purpose of the bipartite disc.
Catalyst University
Uncovertebral Joints | Function and Dysfunction
In this video, we discuss the structure, function, and signs of dysfunction of the cervical uncovertebral (UV) joints.
Catalyst University
Lineweaver-Burke Equation: Theory and Derivation
Lineweaver-Burke Equation: Theory and Derivation
Catalyst University
Sulfation of Steroids by Sulfotransferases [DHEA & Estrone]
This video explores the roles of sulfation of DHEA and estrone by sulfotransferase enzymes. ATP Sulfurylase
Catalyst University
Subscapularis Tears | Special Tests | Rationale & Interpretation
In this video, we explore special tests used to rule-up a tear of the subscapularis. Specifically, we will briefly review the subscapularis, demonstrate common special tests used for diagnosis, and explore each tests’ psychometric...
Catalyst University
The Pyramidalis Muscle | Origin, Insertion, Innervation, Action, & Variation
Here, we discuss the genetic variability of the pyramidalis muscle and its properties: origin, insertion, innervation, and action.
Catalyst University
Transaminase Mechanism (Pyruvate Conversion to L-Alanine)
Here we show the organic mechanism of the conversion of pyruvate to L-alanine. This is a pyridoxal phosphate-dependent mechanism that can be applied all transaminase reactions.
Catalyst University
Prions | Mechanisms and Theories of Alzheimers Disease (Amyloid & Tau)
Alzheimer's disease is a neurodegenerative prion disease in which affected individuals suffer destruction of cortical neurons due to accumulation of prions of both beta-amyloid and Tau type. In this video, I will explain the acquisition...
Catalyst University
Resisted Infraspinatus Test | Rationale & Interpretation
In this video, we explore the resisted infraspinatus test (resisted external rotation test), a special test used in the diagnosis of an infraspinatus tear. We also touch on its psychometrics including sensitivity and specificity.
Catalyst University
QM Applications: Particle-in-a-Box (Derivation)
QM Applications: Particle-in-a-Box (Derivation)
Catalyst University
Nucleotide Metabolism | Purine Biosynthesis 1: Up to IMP
Nucleotide Metabolism | Purine Biosynthesis 1: Up to IMP