Catalyst University
Vertebrobasilar Artery Insufficiency Test | Rationale & Interpretation
In this video, I explain and demonstrate the vertebrobasilar artery insufficiency test (VAT). More specifically, we cover the procedure, what constitutes a (+) test, and how the test works anatomically.
Catalyst University
Upper Extremity PNF Diagonal Patterns EXPLAINED
In this video, we explore the upper extremity PNF diagonal patterns, how to learn them, and what motion is occurring at each major joint.
Catalyst University
Suboccipital Triangle & Muscles | Palpation Technique & Rationale
In this video, I will demonstrate how to palpate the suboccipital triangle and the suboccipital muscles as a whole along with rationale and some considerations.
Catalyst University
The Trapezius EXPLAINED | Origin, Insertion, Action, & More
In this video, we explore the anatomy and functions of all parts of the trapezius. Specifically, we explore its structure, origin, insertion, actions, and innervation.
Catalyst University
Structure & Function of the Spinal Accessory Nerve (CN XI)
In this video, we explore the anatomy and physiology of the spinal accessory nerve.
Catalyst University
Spinal Accessory Nerve (CN XI) | Anatomy & Functions
In this video, we discuss the anatomy and functions of the spinal accessory nerve, cranial nerve XI.
Catalyst University
Slump Test | Rationale & Interpretation
In this video, we explore the slump test, a special test used in the diagnosis of condition such as lumbar radiculopathy. We also touch on its psychometrics including sensitivity and specificity.
Catalyst University
Sciatic Nerve Glides EXPLAINED
In this video, I explain and demonstrate two variations of the sciatic nerve glide, a treatment often used with adverse neurodynamics of the sciatic nerve.
Catalyst University
Sag Sign Test | Rationale & Interpretation
In this video, I explain and demonstrate the posterior sag sign test, a special test used in the assessment of PCL injuries. More specifically, we will cover the procedure, interpretation of results, and its psychometric properties.
Catalyst University
Porphyrins | Processing of Heme b to Heme a & Heme c
Porphyrins | Heme b Biosynthesis and its Regulation
Catalyst University
Glycogen Synthase Mechanism
In this video, we explore the catalytic mechanism of glycogen synthase, a key enzyme in glycogenesis.
Catalyst University
Direct Fibrinolysis: The Plasmin Pathway
Direct Fibrinolysis: The Plasmin Pathway
Catalyst University
Cranial Nerve V - Trigeminal Nerve [Part 1] | Origin, Structure, Pathway & Function
In this video, we explore the following as it pertains to cranial nerve V; specifically, the motor components of the trigeminal nerve: Origin Anatomy Functions Pathway to the Brain
Catalyst University
Cyriax Release Test | Rationale & Interpretation
In this video, I explain and demonstrate the Cyriax release test, a special test used in the assessment of thoracic outlet syndrome (TOS).
Catalyst University
Allopurinol Mechanism of Action for Gout
In this video, we explore the mechanism of allopurinol, a drug used in the treatment of gouty arthritis.
Catalyst University
Cardiac Pressure-Volume Loops
In this video, we discuss how to interpret a cardiac pressure-volume loop (curve) as it relates to the cardiac cycle.
Catalyst University
Anatomy - Hepatic Portal Circulation EXPLAINED
Here, I explain the workings of hepatic portal circulation? What vessels/organs are involved? What is its purpose?
Catalyst University
Classifying Spinal Cord Injuries using ASIA Scoring [Example 2]
In this video, I work through and example of how to assess spinal cord pathology using the ASIA score sheet [neurological levels of injury, zone of partial preservation, and ASIA classification] for an injury in the thoracic spinal cord.
Catalyst University
Cervical Radiculopathy Mechanism Chemical Nerve Root Irritation
In this video, we discuss the differences between radicular pain and a true radiculopathy including their most common mechanisms.
Catalyst University
Cryotherapy [Part 2] Uses, Demonstrations, & Example Problem
In this video, we explore the theory, use, and specific details regarding cryotherapy techniques.
Catalyst University
(NEW!) Glycolysis Part 3 4 The Payoff Phase
(NEW!) Glycolysis Part 3 4 The Payoff Phase
Catalyst University
The Vomeronasal Organ, Pheromones, & Mating Behavior
In this video, we explore the mechanism of pheromones by examining the structure, function, and pathway to the brain for Jacobson’s organ aka the vomeronasal organ.