Catalyst University
Straight Leg Raise Test | Rationale & Interpretation
In this video, I explain and demonstrate the straight leg raise (SLR) test. More specifically, we will cover the interpretation of results and explore its psychometric properties.
Catalyst University
Hemiballismus | Pathogenesis, Signs/Symptoms, and Detailed Mechanism
In this video, we explore Hemiballismus: the pathogenesis, the signs and symptoms, and the mechanism as it relates to the basal nuclei in great detail.
Catalyst University
Diagnosing Nerve Damage with EMG [Example 3] | UE Radiculopathy
In this video, we do an example of diagnosing nerve damage LOCATION using EMG data. This example [Example 3] is for UE nerve root damage (UE radiculopathy).
Catalyst University
Deep Neck Flexor Group | Weakness & Some Potential Treatments
In this video, we explore the following as it pertains to the deep neck flexor muscle group: [1] Results of Weakness of the Deep Neck Flexors [2] Some Potential Treatments
Catalyst University
Anterior Shear Test for Lumbar Instability | Rationale & Interpretation
In this video, I explain and demonstrate the lumbar anterior sheer test, a special test used in the assessment of anterior instability in the lumbar spine. More specifically, we cover the hand placement in detail, the testing procedure,...
Catalyst University
Overview & Comparison of Water- vs Lipid-Soluble Hormones
This video includes a basic introduction to the endocrine system and then a comparison of the signaling between water-soluble and lipid-soluble hormones.
Catalyst University
(+) Trendelenburg Sign EXPLAINED
In this video, we discuss identification of a (+) Trendelenburg sign and truly understand the mechanism producing it.
Catalyst University
Subclavian Artery | Branches & Divisions
In this video, we discuss the major divisions and branches of the subclavian artery.
Catalyst University
Manipulations | Introduction 🦴 Mobilizations vs Manipulations
In this video, we differentiate between mobilizations and manipulations.
Catalyst University
Froment's Sign | Rationale & Interpretation
In this video, I explain and demonstrate test for Froment’s sign, which is used to assess for ulnar nerve palsy. More specifically, we cover its rationale, interpretation of results, and mechanism.
Catalyst University
Deglutition | Muscles of the Palate [OINAs]
In this video, we explore the structure and functions of the major pharyngeal palate muscles: origins, insertions, innervation, actions, and blood supply.
Catalyst University
Cranial Nerve III - Oculomotor Nerve [Part 2] | Origin, Structure, Pathway & Function
In this video, we explore the following as it pertains to cranial nerve III; specifically, the oculomotor nerve’s parasympathetic component: Origin Anatomy Functions Pathway to the eye
Catalyst University
The Pelvic Floor Muscles (Part 1) | Basic Anatomy
In this video, we explore the anatomy of the pelvic diaphragm muscles of the pelvic floor,
Catalyst University
Biotechniques | Principles of SDS-PAGE (Protein Separation)
As always, the steps of an SDS-PAGE will depend on your specific lab and protocol. In this video, we will explore the general theory of separating and visualizing protein by SDS-PAGE, a technique very similar to DNA agarose gel...
Catalyst University
Light-Harvesting Photosynthetic Pigments and Exciton Transfer
Light-Harvesting Photosynthetic Pigments and Exciton Transfer
Catalyst University
The Subclavian Artery | Branches & Divisions
In this video, we discuss the major divisions and branches of the subclavian artery.
Catalyst University
Specific Torsion Test for Lumbar Instability | Rationale & Interpretation
In this video, I explain and demonstrate the specific torsion test, a special test used in the assessment of lumbar rotational instability. More specifically, we cover the hand placement in detail, the testing procedure, and the...
Catalyst University
Posterior Shear Test for Lumbar Instability | Rationale & Interpretation
In this video, I explain and demonstrate the posterior shear test, a special test used in the assessment of lumbar posterior instability. More specifically, we cover the hand placement in detail, the testing procedure, and the...
Catalyst University
Posterior Arm Compartment | Triceps Brachii & Anconeus
In this video, we will explore the muscles of the posterior compartment of the brachium (arm): triceps brachii and anconeus. We will dissect their origins, insertions, innervation, and actions.
Catalyst University
Plantar Fasciitis | Presentation, Diagnosis, & Special Tests
In this video, we will do the following as it pertains to plantar fasciitis: [1] Discuss the relevant anatomy of the plantar aponeurosis (fascia). [2] The Windlass mechanism. [3] The typical presentation of a patient with plantar...
Catalyst University
Cervical Protraction & Retraction + Cervicogenic Headaches Intro
In this video, we discuss cervical protraction, cervical retraction, upper-cross syndrome, and introduce cervicogenic headaches by discussing their basic mechanism.
Catalyst University
The Thigh | Muscles of the Medial Compartment [ADDuctors]
In this video, we explore the muscles of the medial compartment of the thigh including origins, insertions, actions, and innervation.