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...
Healthcare Triage
The US Health Care System Needs Immigrants
By any objective measure, the United States doesn't train enough medical doctors to meet the nation's needs. That means graduates from other countries are needed. Aaron takes a look at foreign medical graduates, an essential element of...
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.
Catalyst University
Gout [Part 1] | Purine Degradation, Uric Acid, & Hyperuricemia
In this video, we do an introduction to gout by discussing purine degradation, uric acid production, and hyperuricemia. We also discuss why uric acid is not degraded further in humans by looking at the biochemistry.
Catalyst University
Costoclavicular Test (Military Brace Test, Eden's Test) | Rationale & Interpretation
In this video, I explain and demonstrate Costoclavicular (Eden’s) test, one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and psychometric...
Catalyst University
Thermotherapy [Full Lecture] | Theory, Uses, Parameters, & Specific Techniques
In this full-lecture video, we discuss the theory, contraindications/precautions, specific uses, and techniques by which we can apply heat as a therapeutic modality along with any relevant associated parameters.
Catalyst University
Neck Pain with Movement Coordination Impairments | Presentation + Treatments
In this video, we discuss class 2 of the Neck Pain Classification System: neck pain with movement coordination impairments (MCIs). Specifically, we explore major symptom presentation and some evidence-based treatments.
Catalyst University
The Subclavius Muscle | Anatomy & Function [O, I, N, A]
In this video, we discuss the anatomy [O, I, A, N] and non-contractile functions of the often-ignored subclavius.
Catalyst University
Relation Between Disc Herniation & Compressed Nerve Root Levels
In this video, we will answer the following question: Why does an posterolateral L4-L5 disc herniation compress the L5 nerve root, considering they are at different intervertebral segments?
Catalyst University
Infraspinatus Tears | Special Tests | Rationale & Interpretation
In this video, we explore special tests used to rule-up a tear of the infraspinatus and teres minor. Specifically, we will briefly review the infraspinatus and teres minor, demonstrate common special tests used for diagnosis, and explore...
Catalyst University
Amyotrophic Lateral Sclerosis [ALS] | Mechanism of Neuron Death
In this video, we explore the basic biochemical mechanism of neuronal death in amyotrophic lateral sclerosis or ALS.
Catalyst University
The Modified Clinical Test of Sensory Interaction in Balance (mCTSIB) EXPLAINED
In this video, I explain and demonstrate the Modified Clinical Test of Sensory Interaction in Balance (mCTSIB), a balance test used in the assessment of sensory organization of balance.