The Business Professor
Freedom of Assembly or Association
This Video Explains Freedom of Assembly or Association
Curated Video
The Civil War Battle for Bread
When the women of Richmond, Virginia couldn’t afford to buy bread during the American Civil War, they incited the largest civil disturbance the Confederacy had ever seen.
History Hit
Protest, Spirit of the People: Word of mouth
How did students organize with no social media like we have today? How was the next protest handled compared to the previous one? Protest, Spirit of the People, Part 4
Flipping Physics
Dropping a Bucket of Water - Demonstration
Demonstrating the physics of dropping a bucket of water with two holes in it.
Flipping Physics
A "Show All Your Work!" Example
I demonstrate that the magnitude of the force normal and force of gravity acting on an object are not always the same, even though many students want to assume this is true. This is an example of where showing your work is incredibly...
Flipping Physics
Calculating Average Drag Force on an Accelerating Car using an Integral
A vehicle uniformly accelerates from rest to 3.0 x 10^1 km/hr in 9.25 seconds and 42 meters. Determine the average drag force acting on the vehicle.
Catalyst University
Lachman's Test | Rationale & Interpretation
In this video, I explain and demonstrate Lachman's test, a special test used in the assessment of ACL injuries. More specifically, we will cover the procedure, interpretation of results, and its psychometric properties.
Weatherthings
Balance an egg any day
Can you balance an egg on the equinox? Yes, but it's a myth that implies that that is the only time you can do it. You can balance an egg on any day of the year. It's about practice, patience, and what kind of tabletop you are trying to...
Flipping Physics
Introductory Static Friction on an Incline Problem
A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline?
Flipping Physics
Introductory Kinetic Friction on an Incline Problem
You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline?
Catalyst University
Roos Test (Elevated Arm Stress Test) | Rationale & Interpretation
In this video, I explain and demonstrate the Roos test (Elevated Arm Stress Test), one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and...
Catalyst University
Assistive Devices/Gait Patterns | 3-, 2-, & 4-point Patterns
In this video, we explore gait patterns that can be done with bilateral assistive devices including axillary crutches, straight canes, forearm and Lofstrand crutches (axillary crutches on demonstration here). More specifically, we will...
Catalyst University
TherEx | Sidelying Hip ABDuctions & Progressions
In this video, I demonstrate and explain correct technique for the sidelying hip ABD along with one good progression of the exercise.
Catalyst University
TherEx | Prone Hip EXTensions & Progressions
In this video, I demonstrate and explain correct technique for the prone hip EXTension along with a couple good progressions of the exercise.
Catalyst University
High Ankle Sprains - Special Tests [External Rotation & Syndesmotic Squeeze Tests]
In this video, I explain and demonstrate two special tests used in the diagnosis of a high ankle sprain: the external rotation test and the syndesmotic squeeze.
Catalyst University
FABER Test (Patrick's Test, Figure-4 Test) | Rationale & Interpretation
In this video, I explain and demonstrate the FABER test (Patrick’s test, Figure-4 test) of the hip. More specifically, we cover its rationale and interpretation of results.
Catalyst University
Costoclavicular Test (Military Brace Test, Eden's Test) | Rationale & Interpretation
In this video, I explain and demonstrate Costoclavicular (Eden’s) test, one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and psychometric...
Catalyst University
The Modified Clinical Test of Sensory Interaction in Balance (mCTSIB) EXPLAINED
In this video, I explain and demonstrate the Modified Clinical Test of Sensory Interaction in Balance (mCTSIB), a balance test used in the assessment of sensory organization of balance.
Catalyst University
Anterior Shoulder Instability Tests | Apprehension, Relocation, & Surprise Tests
In this video, I explain and demonstrate the special tests assessing for anterior shoulder instability. More specifically, we cover the rationale, interpretation of results, and psychometric properties for these tests: [1] Apprehension...
Flipping Physics
The Derivative and a Demonstration of Position, Velocity and Acceleration
Using the derivative, a position equation is used to determine velocity and acceleration. The motion is demonstrated. Motion graphs are shown and illustrated. The maximum position of the cart is determined.
R Programming 101
R programming for beginners - Why you should use R
R programming is typically used to analyze data and do statistical analysis. In this video, I talk about why R is a better option than other statistical packages and software options (including SPSS, STATA, SAS etc.) I also give a short...
Flipping Physics
Impulse Derivation and Demonstration
Calculus is used to derive and define Impulse. The force as a function of time acting on a ball is demonstrated and graphed in slow motion. Want Lecture Notes? https://www.flippingphysics.com/impulse-area.html This is an AP Physics C:...
Catalyst University
Wright's (HyperABDuction) Test | Rationale & Interpretation
In this video, I explain and demonstrate Wright’s (HyperABDuction) test, one special test used in the diagnosis of Thoracic Outlet Syndrome (TOS). More specifically, we cover the rationale, interpretation of results, and psychometric...
Catalyst University
TherEx | Upper Trapezius Stretch
In this video, I demonstrate and explain the upper trap stretch.