Catalyst University
Why is Poop Brown? 💩 | Heme b Metabolism & Elimination
In this video, we explore the pathway for red blood cell destruction including the full degradation of heme b from the liver and spleen to renal and gastrointestinal elimination.
Catalyst University
Vertebral Artery | Structure & Functions
In this video, we discuss the structure and course of the vertebra artery from its subclavian source to its fusion into the basilar artery.
Catalyst University
TherEx | Triceps Surae Stretching [Gastrocnemius & Soleus]
In this video, I demonstrate and explain some basic stretches for the muscles comprising the triceps surae: gastrocnemius and soleus.
Catalyst University
Scapular Protractors | Origins, Insertions, Innervations, & Actions
In this video, we discuss the structure and functions, origins, insertions, innervations, and actions of the two scapular protractors: serratus anterior and pectoralis minor.
Catalyst University
Nucleotide Metabolism | Complicated Conversion of CTP/UTP to Thymine
Nucleotide Metabolism | Complicated Conversion of CTP/UTP to Thymine
Catalyst University
GLUTEN! Mechanisms of Celiac Disease and Gluten Sensitivity
In this video, we discuss the physiological and biochemical differences between celiac disease and gluten sensitivity, both of which actually do exist, but are diametrically different in mechanism.
Catalyst University
Deep Sural Muscles | FDL, FHL & Tibialis Posterior
In this video, we explore most of the deep sural muscles: flexor digitorum longus, flexor hallucis longus, and tibialis posterior. More specifically we discuss their origins, insertions, innervation, blood supply, and actions. We also...
Catalyst University
Overview of Metabolism [Part 3] | Acetyl-CoA & Anaplerotic Reactions
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, the fates of Acetyl-CoA, and some important anaplerotic reactions.
Catalyst University
The Sartorius | Structure, Origin, Insertion, Action, and Innervation
In this video, we explore the sartorius muscle including origins, insertions, actions, and innervation.
Catalyst University
Parkinson's Disease [Parts 1 & 2] | 4 Cardinal Signs & Detailed Mechanism with Basal Nuclei
In this video, we explore the major signs and symptoms of Parkinson’s disease including the 4 cardinal signs AND the mechanism of Parkinson’s disease as it related to the basal nuclei in detail.
Catalyst University
Perineal Muscles Structure, Origins, Insertions, & More
In this video, we explore the gender-specific structure of the perineal muscles along with their origins, insertions, actions, innervation, and blood supply.
Catalyst University
NMES & Russian Stimulation EXPLAINED | Theory, Use, & Parameters
In this video, we explore the theory, use, and parameters with edema control and strengthening via NMES and Russian stimulation, two major types of electrical muscle stimulation (EMS).
Catalyst University
Upper Limb Tension Tests (ULTTs) | Ulnar Nerve Bias
In this video, I explain and demonstrate the ulnar nerve tension test.
Catalyst University
Subtalar Everters, Fibularis Longus & Brevis | Structure, Function & Exercises
In this video we discuss the structure and functions of the muscles in the lateral leg compartment: fibularis longus and fibularis brevis. More specifically, we cover their origins, insertions, innervation, blood supply, and actions. We...
Catalyst University
TherEx | Scalene Stretch
In this video, I demonstrate and explain the scalene stretch, which is useful in cases of upper cross syndrome, thoracic outlet syndrome, and many more.
Catalyst University
Tarsal Tunnel Syndrome - Special Tests | Rationale & Interpretation
In this video, we explore the clinical anatomy of the tarsal tunnel in addition to the clinical presentation of tarsal tunnel syndrome and the diagnosis via three special tests: Tinel’s sign, the dorsiflexion-eversion test, and the...
Catalyst University
Mechanisms of Spasticity and Baclofen [Macroscopic view ONLY]
In this video, we explore the mechanisms of spasticity and baclofen, the major drug used in the treatment of spasticity. Also be sure to check out my video on the Modified Ashworth Scale!
Catalyst University
Lipoprotein Physiology [Part 2] | Pharmacology of LDLs, HDLs, & TAGs
In this video, we explore the pharmacology of various medications that act on the pathway for lipoprotein metabolism.
Catalyst University
👂 Ménière’s Disease | Presentation, Pathophysiology, Diagnosis & Treatment
In this video, we explore Ménière’s Disease: its prevalence, pathophysiology, progression, diagnosis, and treatment.
Catalyst University
Lipoprotein Physiology [Part 1] | LDLs, HDLs, & TAGs
In this video, we explore normal physiology of lipoprotein metabolism and the various medications that act at this pathway.
Catalyst University
Hamstring Length Test (@ 90/90) | Rationale & Demonstration
In this video, I explain and demonstrate the hamstrings muscle length test (hamstrings @ 90/90), a special test used to assess for hamstring tightness/contractures.