Catalyst University
Patellar Mobilizations | Theory, Technique, & Demonstrations
In this video, I explain the major indications for patellar mobilizations and how to perform them in all four major directions: superior, inferior, medial, and lateral.
Catalyst University
Trendelenburg Test | Rationale & Interpretation
In this video, I explain and demonstrate the Trendelenburg test, a special tests used in the assessment of palsy of the superior gluteal nerve and/or gluteus medius weakness/tendinopathy.
Catalyst University
Temporomandibular Joint 😲 | Biomechanics Part 2/2
In this video, we explore the biomechanics of the temporomandibular joint with emphasis on the specific muscles that activate during each phase of mouth opening and closing.
Catalyst University
Temporomandibular Joint 😲 | Biomechanics Part 1/2
In this video, we explore the biomechanics of the temporomandibular joint with emphasis on the arthrokinematic movements of the mandibular condyle with respect to the articular disc.
Paul Marriott
Arduino Uno WS2812 5050 RGB LED Strip (Speed & Brightness Adjustable) w/ARGB Connectors - Tutorial
A full fledged tutorial for an RGB LED strip light connected to 2 potentiometers. One potentiometer changes speed of pattern, whereas the other changes brightness of LEDs. Uses Arduino Uno microcontroller with Arduino IDE code.
Flipping Physics
Torque - Mass on Plank with String
A 0.300 kg mass rests on a 0.395 m long, 0.764 kg, uniform wooden plank supported by a string as shown in the figure. If the mass is 0.274 m from the wall and the angle between the string and the plank is 32.1°, (a) What is the force of...
Espresso Media
The Women of Standing Rock: Dakota Access Fights Back
The Women of Standing Rock part 5/8: This video is a powerful and emotional account of the ongoing conflict surrounding the Dakota Access pipeline. It sheds light on the concerns of the local community and their efforts to protect their...
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
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,...
Espresso Media
The Women of Standing Rock: The Fight Against Keystone XL and Apple
The Women of Standing Rock part 7/8: This video captures the experiences and emotions of individuals involved in the fight against the Keystone XL pipeline and the desecration of graves by Apple. It highlights their resilience,...
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
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
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...
Paul Marriott
Arduino Uno Instrument w/3 x HC-SR04 Ultrasonic Sensor, 3 x LED & 1 Passive Buzzer
A custom-built Arduino Uno musical instrument (on a breadboard) that can be played by waving a hand over a respective ultrasonic (HC-SR04) sensor. Each ultrasonic sensor plays its own musical tone via. passive buzzer, and an LED lights...
Catalyst University
TherEx | Theraband Rows
In this video, I explain and demonstrate a stretch of the suboccipital muscle group.
Catalyst University
Assistive Devices/Gait Patterns | Swing-To & Swing-Through Patterns
In this video, we explore gait patterns used in the neurological population that can be done with bilateral assistive devices including axillary crutches, straight canes, forearm and Lofstrand crutches (axillary crutches on demonstration...
Flipping Physics
Introductory Newton's 2nd Law Example Problem and Demonstration
This video could also be called "Finding the Force of Friction between a Dynamics Cart and Track” because we use Newton’s Second Law to analyze a demonstration and show how negligible the force of friction really is.
Catalyst University
Navicular Drop Test for Subtalar Pronation
In this video, I explain and demonstrate the navicular drop test, a special test used in the assessment of excessive subtalar pronation.
Catalyst University
Manipulations | Introduction 🦴 Terminology
In this video, I introduce some important terminology used when discussing mobilizations and manipulations. [1] Cavitations [2] 2nd MCP, Pisiform, Hypothenar [3] Articular pillar
Catalyst University
Homan's Sign for DVTs | Controversy & Interpretation
In this video, I explain and demonstrate the test for Homan’s sign, a controversial special test used in the assessment of deep vein thromboses (DVTs).
IDG TECHtalk
Python 3.10's new features: Explicit type aliasing for forward declarations
Python 3.10's new explicit type aliasing feature makes it easier to hint types that haven't even been declared yet, such as for methods in classes. Learn how to use them in this demonstration, along with some ideas for their use cases.
Catalyst University
Ottawa Ankle & Foot Rules EXPLAINED
In this video, I explain the Ottawa Ankle and Foot Rules, a set of criteria that help determine whether or not radiography is necessary prior to beginning physical therapy treatment of the ankle and foot.