Catalyst University
Sarcomerogenesis | Adding Sarcomeres in Parallel & Series
In this video, we discuss the mechanisms by which sarcomeres can be added or removed from skeletal muscle myofibrils: in parallel or in series.
Catalyst University
Uncovertebral Joints & the Bipartite Disc | Developmental Timeline
In this video, we discuss the development of the cervical uncovertebral (UV) joints from childhood to geriatric age AND the function/purpose of the bipartite disc.
Catalyst University
Uncovertebral Joints | Function and Dysfunction
In this video, we discuss the structure, function, and signs of dysfunction of the cervical uncovertebral (UV) joints.
Catalyst University
Subscapularis Tears | Special Tests | Rationale & Interpretation
In this video, we explore special tests used to rule-up a tear of the subscapularis. Specifically, we will briefly review the subscapularis, demonstrate common special tests used for diagnosis, and explore each tests’ psychometric...
Catalyst University
The Pyramidalis Muscle | Origin, Insertion, Innervation, Action, & Variation
Here, we discuss the genetic variability of the pyramidalis muscle and its properties: origin, insertion, innervation, and action.
Catalyst University
Resisted Infraspinatus Test | Rationale & Interpretation
In this video, we explore the resisted infraspinatus test (resisted external rotation test), a special test used in the diagnosis of an infraspinatus tear. We also touch on its psychometrics including sensitivity and specificity.
Catalyst University
Motor Learning | Augmented Feedback and Feedback Schedules
In this video, we define augmented feedback, discuss the two types, and schedules for augmented feedback.
Catalyst University
Do Turkey Dinners Really Make You Tired? → HERE'S WHY
In this video, we discuss the reasons why a Thanksgiving Turkey dinner leaves you feeling ready for a nap.
Catalyst University
MDMA (Ecstasy) | Mechanism of Action & Metabolism
In this video, we explore the mechanism of action and metabolism of the illicit drug, ecstasy, scientifically known as 3,4-methylenedioxymethamphetamine (MDMA).
Catalyst University
Vestibulo-ocular Reflex (VOR) | Structure & Physiology
In this video, we discuss the structure and function of the vestibulo-ocular reflex (VOR).
Catalyst University
Valsalva Test | Rationale & Interpretation
In this video, I explain and demonstrate the Valsalva test, a special test used in the assessment of a cervical radiculopathy.
Catalyst University
Painful Arc Test | Rationale & Interpretation
In this video, we explore the painful arc test, a special test used in the diagnosis of condition such as rotator cuff tears and subacromial impingement syndrome. We also touch on its psychometrics including sensitivity and specificity.
Catalyst University
Gag Reflex | Procedure & Results Interpretation
In this video, I explain the gag reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal. INSTAGRAM | @thecatalystuniversity Follow me on Instagram...
Catalyst University
FADDIR Test for Non-specific Hip Pathologies | Rationale & Interpretation
In this video, I explain and demonstrate the FADDIR test of the hip. More specifically, we cover its rationale and interpretation of results.
Catalyst University
All About Warfarin | Mechanism of Action
In this video, we discuss the vitamin K cycle and how the mechanism of action of warfarin (Coumadin) interferes to thin the blood.
Catalyst University
RE-UPLOAD: Rib Movement | Coupled with Lateral Flexion & Rotation
In this video, we discuss how the ribs (upper and lower) move with thoracic lateral flexion and rotation.
Catalyst University
Contraindications & Precautions for E-Stim & Ultrasound
In this video, we discuss the four major classes of diuretic medications, where they act in the nephron, and their major functions and indications for treating high blood pressure.
Catalyst University
The Sacroiliac Joint [Part 1] | Major Ligaments & Structures
In this video, we begin our study of the sacroiliac (SI) joint. We will discuss the major stabilizing ligaments and other relevant anatomy.
Catalyst University
The Corneal Reflex | Pathway & Interpretation
In this video, we will examine the physiological basis of the corneal reflex and how to clinically assess the response.
Catalyst University
Temporomandibular Joint 😲 Introduction & Basic Terminology
This video serves as a basic introduction to the temporomandibular joint, AKA the TMJ, and associated terminology.
Catalyst University
Tarsal Tunnel Syndrome | Clinical Anatomy & Presentation
In this video, we explore the clinical anatomy of the tarsal tunnel in addition to the clinical presentation of tarsal tunnel syndrome.
Catalyst University
Pulmonary Function Lab Values EXPLAINED (for the NPTE)
In this video, we explore pulmonary function lab values, the bare minimum that you need to memorize, and how to calculate everything else.
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.