Instructional Video15:02
Catalyst University

Anatomy and Physiology of the Large Intestine [Colon]

Higher Ed
In this video, we investigate the relevant anatomy and functions of the large intestine or colon.
Instructional Video14:55
Catalyst University

The Mechanism of Benzodiazepines | The GABA Receptor and Allosteric Modulation

Higher Ed
In this video, we discuss the mechanism of benzodiazepines (e.g., xanax, ativan). In doing so, we also cover the functions of the GABAa receptor and the effects of benzodiazepines, barbiturates, and alcohols on it.
Instructional Video6:44
Catalyst University

The Loop Of Henle [Part 2] | Urea Recycling

Higher Ed
In this video, we will discuss how urea recycling between the collecting ducts and the Loop of Henle augments water reabsorption in the Loop's descending limb.
Instructional Video22:07
Catalyst University

Low Back Pain Classification System EXPLAINED

Higher Ed
In this video, we introduce the Low Back Pain (LBP) Classification System, and briefly discuss clinical presentations and some (but not all) treatments for each category.
Instructional Video14:22
Catalyst University

Pathway For Sperm and Egg Cells to Fertilization

Higher Ed
In this video, we will examine the precise site of fertilization and then follow the physical path of the secondary oocyte (egg) and sperm cell (spermatozoa) to fertilization.
Instructional Video13:39
Catalyst University

Microbiology | Nitrate Broth [Nitrate Reduction Test]

Higher Ed
In this video, we will discuss the 1) results & 2) theory underlying the nitrate reduction test (nitrate broth). Results are first, and theory (somewhat complicated) begins at 7:55.
Instructional Video3:52
Catalyst University

Wright's (HyperABDuction) Test | Rationale & Interpretation

Higher Ed
In this video, I explain and demonstrate Wright’s (HyperABDuction) test, one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and psychometric...
Instructional Video11:39
Catalyst University

Parasympathetic Nervous System (Cranial Part) | Pathways & Components

Higher Ed
In this video, we will discuss in detail the major components and pathways of the parasympathetic nervous system (cranial component).
Instructional Video3:34
Catalyst University

TherEx | Upper Trapezius Stretch

Higher Ed
In this video, I demonstrate and explain the upper trap stretch.
Instructional Video8:54
Catalyst University

Phonophoresis EXPLAINED | Theory, Use, & Parameters

Higher Ed
In this video, we explore the theory, use, and parameters with phonophoresis, an application of therapeutic ultrasound for drug delivery.
Instructional Video10:20
Catalyst University

How Does Dairy Cause Inflammation? EXPLAINED

Higher Ed
In this video, we explore how casein proteins in dairy products induce an inflammatory response.
Instructional Video9:24
Catalyst University

Biotechniques | Basics of Making His-Tags & Nickel Affinity Chromatography

Higher Ed
As always, the steps of putting a gene insert into vector/plasmid AND nickel affinity chromatography depend on your specific lab and protocol. Here, we look at the general theory of engineering a poly-His tagged protein and Ni affinity...
Instructional Video19:38
Catalyst University

Action Potential Physiology (FULL VIDEO)

Higher Ed
Action Potential Physiology (FULL VIDEO)
Instructional Video27:47
Catalyst University

Enzyme Thermodynamics (Binding Energy and Entropy)

Higher Ed
Enzyme Thermodynamics (Binding Energy and Entropy)
Instructional Video6:53
Catalyst University

Combining Cations & Anions to Name Ionic Compounds

Higher Ed
Here, I show you how to write the formula for an ionic compound given the cation and anion. [5 examples]
Instructional Video7:26
Catalyst University

THEORY | Shoulder Instability Tests

Higher Ed
In this video, we discuss the theory behind shoulder instability tests and their test item clusters.
Instructional Video14:11
Catalyst University

Prions | Mechanisms of Huntington's Disease & the Huntingtin Prion

Higher Ed
Huntington's disease is a neurodegenerative prion disease in which affected individuals suffer destruction of neurons in the basal nuclei (e.g., GABAergic neurons) and rapid, involuntary movements as a result. In this video, I will...
Instructional Video1:51
Catalyst University

Hawkins-Kennedy Test | Rationale & Interpretation

Higher Ed
In this video, we explore the Hawkins-Kennedy test, a special test used in the diagnosis of subacromial impingement syndrome. We also touch on its psychometrics including sensitivity and specificity.
Instructional Video6:07
Catalyst University

Convex-Concave Rules for Mobilizing the SC Joint

Higher Ed
In this video, we explore the reasoning behind sternoclavicular joint (clavicle) mobilizations using convex-concave rules.
Instructional Video15:16
Catalyst University

Biomechanics | Elbow/Biceps Torque Problem #2

Higher Ed
Here, I work a basic torque problem at the elbow joint in biomechanics. The following considerations are used. [1] elbow at 90 degrees [2] weight of dumbbell in hand [3] forearm weight is considered
Instructional Video6:03
Catalyst University

Basics of the Obturator Nerve - Origins & Branches

Higher Ed
In this video, we explore the origins of the obturator nerve from the lumbar plexus and it important branches to the adductor muscles in the thigh.
Instructional Video16:28
Catalyst University

Anterior Forearm Muscles - Deep Layer + Review of Superficial Layer

Higher Ed
In this video, we explore the deep muscles of the anterior forearm (antebrachium). We hit the structures, origins, insertions, innervations, and actions.
Instructional Video15:41
Catalyst University

Therapeutic Ultrasound EXPLAINED | Use, Parameters, & Real Example

Higher Ed
In this video, we explore the theory, use, and parameters with therapeutic ultrasound along with a real-world example.
Instructional Video8:03
Catalyst University

Vitamins and Minerals | Vitamin C Biosynthesis & the GULO Pseudogene

Higher Ed
Here, we explore the biosynthetic pathway for vitamin C (ascorbic acid) from glucuronic acid. Also, we explore inability of some organisms (e.g., humans) to perform this biosynthesis due to the GULO pseudogene.