Catalyst University
Cyriax Release-Based Treatment (for Thoracic Outlet Syndrome)
In this video, I explain and demonstrate a treatment for thoracic outlet syndrome (TOS), specifically for individuals who demonstrate a (+) Cyriax release test.
Flipping Physics
Angular Momentum of a Rigid Body Derivation
Angular momentum of a rigid body is demonstrated and derived. This is an AP Physics C: Mechanics topic. Content Times: 0:00 The Demonstration 1:20 The Derivation 4:15 Newton’s Second Law
Flipping Physics
Introductory Angular Velocity Problem - A Turning Bike Tire
The wheel of a bike rotates exactly 3 times in 12.2 seconds. What is the average angular velocity of the wheel in (a) radians per second and (b) revolutions per minute?
Flipping Physics
Do Anti-lock Brakes use Static or Kinetic Friction? by Billy
Billy analyzes ABS brakes to show the difference between Rolling without Slipping and Rolling with Slipping. He also answers the question in the title of the video, but why would I write that in the description?
Flipping Physics
What is Sound?
From a tuning fork, to a speaker in slow motion, this is a close look at what sound is. Both linear and spherical wave fronts are animated. The human audible range is demonstrated.
Flipping Physics
Introductory Centripetal Acceleration Problem - Cylindrical Space Station
A cylindrical space station with a radius of 115 m is rotating at 0.292 rad/s. A ladder goes from the rim to the center. What is the magnitude of the centripetal acceleration at (1) the top of the ladder, (2) the middle of the ladder,...
Flipping Physics
Stringed Instrument Frequencies
The equation for the harmonic frequencies of stringed instruments is derived. Harmonic numbers and fundamental frequency are defined. A guitar is used to demonstrate harmonic numbers.
Flipping Physics
Introduction to Elastic Potential Energy with Examples
Mr. Fullerton of APlusPhysics.com makes a guest appearance as a floating head to help us learn about Elastic Potential Energy. Several examples of objects which store elastic potential energy are shown and one example of stored elastic...
Flipping Physics
Human Tangential Velocity Demonstration
Humans are best for demonstrating Tangential Velocity and understanding that it is not the same as angular velocity.
Catalyst University
Romberg & Sharpened Romberg Tests EXPLAINED
In this video, I explain and demonstrate the Romberg and Sharpened Romberg test, two related balance tests that are used in the assessment of sensory organization of balance.
Flipping Physics
Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle
Yes, water stays in the bucket. Would you like to know why? Watch the video and learn!
Flipping Physics
Longitudinal Standing Waves Demonstration
Standing longitudinal waves are demonstrated and compared to an animation to help with understanding what the heck is going on.
Espresso Media
The Women of Standing Rock: The Battle for Freedom and Justice
The Women of Standing Rock part 3/8: This video captures the intense standoff between Native American protesters and law enforcement during the North Treaty camp raid. It highlights the peaceful resistance of the protesters and their...
Catalyst University
Kim and Jerk Tests [Posteroinferior Labral Tears] | Rationale & Interpretation
In this video, I explain and demonstrate several special tests used in the diagnosis of posteroinferior labral tears of the shoulder joint. More specifically, we cover the rationale, interpretation of results, and psychometric properties...
Flipping Physics
How the Force of Tension on a Pulley Changes with Acceleration
We predict and measure the force of tension acting on a pulley while the system is at rest and accelerating.
Flipping Physics
Introduction to Elastic and Inelastic Collisions
Learn about Elastic, Inelastic and Perfectly Inelastic collisions via a demonstration
Flipping Physics
Introduction to Inertia and Inertial Mass
Before you can start learning about Forces and Newton’s Laws of Motion, you need to understand inertia and mass. This video defines both and more specifically inertial mass.
Flipping Physics
Wind Instrument Frequencies
The equations for the harmonic frequencies of open and closed pipe wind instruments are derived. An animation of a longitudinal standing wave pattern in a closed pipe is shown. Displacement and pressure nodes and antinodes are shown.
Catalyst University
High Ankle Sprains | Anatomy, Presentation, Diagnosis, & Treatment Basics
In this video, we explore the clinical anatomy of high ankle sprains in addition to the diagnosis using special tests, the clinical presentation, and basics of treatment.
Flipping Physics
How Is This Standing Wave Possible?
When standing waves are allowed at 15, 30, and 45 hertz on a string, then we should not see a standing wave pattern at 22 hertz. Yet, we do in this demonstration. This explains why.
Flipping Physics
Standing Waves Introduction
Reflection with and without inversion caused by fixed and free ends are demonstrated. Standing wave patterns at 5 different frequencies are demonstrated. A standing wave animation is shown to understand to how standing wave patterns are...
Flipping Physics
Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player
What is the angular acceleration of a compact disc that turns through 3.25 revolutions while it uniformly slows to a stop in 2.27 seconds?
Flipping Physics
(examples only) Understanding Uniformly Accelerated Motion
All the examples from my video Understanding Uniformly Accelerated Motion.