Catalyst University
Drop Arm Sign | Rationale & Interpretation
In this video, we explore the drop arm test, a special test used in the diagnosis of a full-thickness rotator cuff tear. We also touch on its psychometrics including sensitivity and specificity.
Catalyst University
Cranial Nerve X - Vagus Nerve [Part 2a] | Structure & Functions of UQ & Thoracic Branches
In this video, we explore the structure and functions of the major branches of cranial nerve IX (the vagus nerve), specifically in the thoracic cavity.
Catalyst University
Concave/Convex Rules | How to Mobilize a Joint [Part 3]
In this video, we will learn a fool-proof strategy to answer the question, "given the indicated mobilization, what movement am I trying to restore?"
Catalyst University
Cervical Lateral Flexion & Rotation BIOMECHANICS
In this video, we discuss the biomechanics of cervical lateral flexion and rotation in DETAIL along with how each movement varies with upper and lower cervical spine mechanics.
Catalyst University
Biotin Biosynthesis in Bacteria
In this video, we will discuss the bacterial biosynthesis of vitamin B7, biotin.
Catalyst University
Ankylosing Spondylitis | Mechanism, Risk Factors, & Signs/Symptoms
In this video, we explore the mechanism and signs/symptoms of the inflammatory, vertebrae-fusing condition, ankylosing spondylitis.
Catalyst University
Chronic Kidney Disease EXPLAINED [Pathogenesis, Effects, & Staging]
In this video, we explore the pathogenesis, systemic effects, and clinical staging of chronic kidney disease (CKD).
Catalyst University
TherEx | Patellar Stabilization Series [Full Lecture] | Patellar Subluxation & Treatments
In this video, we explore the following: [1] differences between patellar subluxation and dislocation [2] grading system for classifying patellar dislocations [3] patellar stabilization exercises (with video demonstrations)
Catalyst University
KINE 3135: The Elbow and Radioulnar Joints
KINE 3135: The Elbow and Radioulnar Joints
Catalyst University
TherEx | Scalene Stretches [for Anterior, Middle, & Posterior Scalenes]
In this video, I demonstrate stretches targeting each of the scalene muscles: anterior, middle, and posterior scalenes.
Catalyst University
RPAs EXPLAINED [Part 2b] | Hip Strategies
In this video, we explore the various types of hip strategies, their form, detection, and patterns of muscle activation.
Catalyst University
Robertsonian Translocations & Correlation to Down Syndrome
In this video, we explore the mechanism of the Robertsonian Translocation with acrosomal chromosomes and its correlation to Down Syndrome (Trisomy 21).
Catalyst University
Radicular Pain Versus Radiculopathies EXPLAINED
In this video, we discuss the differences between radicular pain and a true radiculopathy including their most common mechanisms.
Catalyst University
Lower Extremity Nerve Sensitizers | Tibial, Sural, & Peroneal Nerves
In this video, I explain and demonstrate the three major lower extremity nerve sensitizers, which are used to assess for adverse neural dynamics of the tibial, peroneal, and sural nerves.
Catalyst University
Cranial Nerve IX - Glossopharyngeal Nerve | Structure & Functions of Major Branches
In this video, we explore the origin, structure, and functions of the major branches of cranial nerve IX, the glossopharyngeal nerve.
Catalyst University
Cervical Distraction (Gapping) Test | Rationale & Interpretation
In this video, I explain and demonstrate the cervical distraction test, a special test used in the clinical prediction rule for a cervical radiculopathy.
Catalyst University
Apophyses of Long Bones, Osgood-Schlatter Syndrome, & Sever’s Disease
In this video, we discuss the purpose of apophyses in long bones and two pediatric conditions which affect them: Osgood-Schlatter Syndrome and Sever’s Disease.
Catalyst University
Anterior Leg Compartment | Origins, Insertions, & More
In this video, we explore the anatomy and functions of the muscles in the anterior leg compartment including origins, insertions, actions, innervation, and blood supply.
Catalyst University
Anatomy & Components of the Femoral Triangle (~8:13 @ top - INFERIOR Epi. A.)
1 Correction: (~8:13 to end @ top - INFERIOR Epigastric A., not superior) In this video, we will discuss the boundaries, components, and functions of the femoral triangle.
Catalyst University
NREM Sleep, REM Sleep, & Normal Sleep Cycles
In this video, we explore the EEG patterns, critical events, and physiological changes as a person progresses through NREM sleep (stages 1-4) and REM sleep.
Catalyst University
Mechanisms of the Juxtaglomerular Apparatus [Part 1] | Macula Densa
In this video, we discuss the mechanisms of the macula densa cells in regulating GFR and blood pressure.
Catalyst University
Lactate Threshold & Onset of Blood Lactate Accumulation (OBLA)
In this video, we dissect the physiological meanings of Lactate Threshold & Onset of Blood Lactate Accumulation (OBLA) with increasing exercise intensity.
Catalyst University
Eicosanoid Biosynthesis [Part 1] | Prostaglandins & Thromboxane A2
In this video, we explore the first part of eicosanoid biosynthesis, the conversion of arachidonic acid to the prostaglandins and thromboxane A2.
Catalyst University
👂 Vestibular Neuritis | Presentation, Pathophysiology, Diagnosis & Treatment
In this video, we explore vestibular neuritis: its prevalence, pathophysiology, and treatment. We also learn how to differentiate it from other vestibular conditions associated with dizziness.