Catalyst University
Pivot Shift Test | Rationale & Interpretation
In this video, I explain and demonstrate the pivot shift 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
Muscles of the Foot Dorsum | Origins, Insertions, Actions, Etc.
In this video, we explore the muscles of the foot dorsum (extensor digitorum & hallucis brevis), their relationships to their longus counterparts, and origins, insertions, innervations, actions, and blood supply.
Catalyst University
Manipulations | Absolute & Relative Contraindications ⚠️ 🛑
In this video, we discuss some of the common absolute and relative contraindications to performing manipulations.
Catalyst University
Interphalangeal Joint Mobilizations [with Convex-Concave Rules]
In this video, we discuss how to mobilize any digital interphalangeal joint using convex-concave rules.
Catalyst University
Corrin/B12 Biochemistry: Cobalamin Reductase
Corrin/B12 Biochemistry: Cobalamin Reductase
Catalyst University
Anatomy - Hearing (Part 2) - Functions of Cochlea & Organ of Corti
In this video, we explore the second part of the pathway of audition (hearing). We will trace the movement of a sound wave from the oval window into the cochlea. Then, we examine the workings of the Organ of Corti, the microscopic organ...
Catalyst University
Cardiac Pharmacology [Part 1] Statins & Diabetics Drugs
In this video, we discuss the basic mechanisms of action of cardiac drugs such as statins and diabetic medications.
Catalyst University
Carbohydrate Structure Aldohexoses and Ketohexoses
Carbohydrate Structure Aldohexoses and Ketohexoses
Catalyst University
The Biotin Cycle | Mammalian Biotin (Vitamin B7) Metabolism & Processing
This video explores the biotin cycle. How is biotin attached to an enzyme? How is it removed? Is biotin recycled?
Catalyst University
The Sternoclavicular (SC) Joint | Anatomy and Function
In this video, we will discuss the structure of the sternoclavicular (SC) joint along with the associated stabilizing ligaments and the permitted movements.
Catalyst University
TherEx | Wall Angels for Scapular/Glenohumeral Coordination
In this video, I demonstrate and explain wall angels, which is useful in cases of subacromial impingement, thoracic outlet syndrome, and many more.
Catalyst University
TherEx | Hip Flexor Stretches [Rectus Femoris & Iliopsoas]
In this video, I demonstrate and explain several important hip flexor stretches for both 2- and 1-joint hip flexors (rectus femoris and iliopsoas, respectively).
Catalyst University
Reactive Postural Adjustments | Strategies For Maintaining Balance
In this video, we will discuss three major strategies for maintaining balance via reactive postural adjustments (RPAs).
Catalyst University
Nucleotide Metabolism | Myokinase & the Purine Nucleotide Cycle
Nucleotide Metabolism | Myokinase & the Purine Nucleotide Cycle
Catalyst University
Hautant's Test | Rationale & Interpretation
In this video, I explain and demonstrate Hautant's test, a special test used in the assessment of vertebrobasilar artery insufficiency.
Catalyst University
Hanes-Woolf Equation: Derivation and Graphical Analysis
Hanes-Woolf Equation: Derivation and Graphical Analysis
Catalyst University
Biological Fate of Artificial Sweeteners | Erythritol & Sorbitol
Did you ever wonder what happens to artificial sweeteners when you consume them in food? In this video, we track the fates of two of them (erythritol and sorbitol). They cause loose stool, but they can have other functions as well.
Catalyst University
Alternative Pathway of Complement Activation
Alternative Pathway of Complement Activation
Catalyst University
Adhesive Capsulitis (Frozen Shoulder) | Part 1 - Presentation & Pathophysiology
In this video, we discuss the clinical presentation and pathophysiology of adhesive capsulitis (frozen shoulder).