Catalyst University
The Pacemaker Potential EXPLAINED
In this video, we discuss how the electrical conduction system generates a pacemaker potential by viewing the action potential diagram.
Catalyst University
Lever Test | Rationale & Interpretation
In this video, I explain and demonstrate the lever test, a special test used in the assessment of ACL injuries. More specifically, we cover the test procedure, interpretation of results, and psychometrics.
Catalyst University
Diabetes Insipidus | Mechanism & Signs/Symptoms
In this video, we explore the mechanism and signs/symptoms of the condition, diabetes insipidus, which results in diminished levels of the hormone, ADH.
Catalyst University
Overview of Metabolism [Part 4] | Glutamate, Glutamine, & Nucleotide Biosynthesis
This video is part of a series in which we do an overview of metabolism and pathways. Specifically, this video covers pathways associated with the citric acid [Krebs] cycle including glutamate/glutamine metabolism and nucleotide...
Institute of Human Anatomy
Understanding Calf Strains, Achilles Tendonitis, and Achilles Tendon Tears
In this video, the speaker discusses the anatomy and injuries related to the calf muscles and the Achilles tendon. They explore the relationship between calf strains, Achilles tendonitis, and Achilles tendon tears, using examples from...
Catalyst University
The EVIDENCE for Sugar-Related Health Defects | Is Fat that Bad?
This video uses systematic reviews and meta-analyses to provide an evidence-based approach [1] criticizing the United States’ view of sugar, fat, and cholesterol; and [2] discussing how sugar has always been the culprit in obesity and...
Catalyst University
Sympathetic Nervous System | Overview of Specific Pathways
In this video, we discuss the pathways of the sympathetic nervous system in detail.
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
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
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 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
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
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
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.
Catalyst University
FABER Test (Patrick's Test, Figure-4 Test) | Rationale & Interpretation
In this video, I explain and demonstrate the FABER test (Patrick’s test, Figure-4 test) of the hip. More specifically, we cover its rationale and interpretation of results.
Catalyst University
The Uncovertebral (UV) Joints of the Cervical Spine
In this video, we explore the structure and functions of the uncovertebral joints, the formation of a bipartite disc, and the associated movements allowed in the cervical spine.