Brian McLogan
What is the difference between rotating clockwise and counter clockwise
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Catalyst University
(+) Trendelenburg Sign EXPLAINED
In this video, we discuss identification of a (+) Trendelenburg sign and truly understand the mechanism producing it.
Catalyst University
Suboccipital Muscles and Structures | Origins, Insertion, Etc.
In this video, we will discuss the major muscles of the suboccipital region and associated structures. For relevant muscles, we also discuss origins, insertions, actions, and innervations.
Brian McLogan
Evaluate sine cosine and tangent for a point on the unit circle
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
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
Sternocleidomastoid (SCM) | Structure, Origin, Insertion, & More
In this video, we explore the structure of the sternocleidomastoid (SCM) muscle along with its origins, insertion, blood supply, innervation, and actions.
Brian McLogan
Sketching a negative angle in standard position
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Curated Video
How to Create an Interactive Clock with Rotating Hand for Classroom Timers
In this tutorial, Justin demonstrates how to create an interactive analog clock with a rotating hand in a presentation software. By strategically placing shapes and utilizing animations, users can customize the clock to act as a...
Curated Video
System of particles & Rotational motion particles
This nugget introduced the system of particles, rigid bodies about the kind of motion of rigid body.
Catalyst University
Deep Neck Flexor Group [Full Lecture] | Anatomy, Functions, OINAs, & Some Treatments
In this video, we explore the following as it pertains to the deep neck flexor muscle group: [1] Origins and Insertions [2] Innervation, Actions, Blood Supply [3] Results of Weakness [4] Some Potential Treatments
Catalyst University
Cervical Flexion & Extension BIOMECHANICS
In this video, we discuss the biomechanics of cervical flexion and extension in DETAIL.
Catalyst University
BPPV Treatment | Epley Maneuver [Why, When, & How]
In this video, I explain and demonstrate the Epley maneuver, a canalith repositioning maneuver used in the treatment of a posterior or anterior canal canalithiasis.
Catalyst University
Benign Paroxysmal Positional Vertigo (BPPV) | Overview
In this video, we explore the basics of Benign Paroxysmal Positional Vertigo (BPPV) including its presentation and mechanism. Also included is a brief review of inner ear anatomy and the semicircular canals.
Visual Learning Systems
The Movement of the Sun and Earth
In this video, we explore the question of whether the sun is moving or if it's the Earth that is moving. We also discover that the Earth's rotation on its axis is what causes day and night, while its orbit around the sun explains the...
Brian McLogan
What does radians in terms of pi mean and how does it look
👉 Learn about the angles on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Catalyst University
Cervical Flexion Rotation Test | Rationale & Demonstration
In this video, I explain and demonstrate the cervical flexion rotation test, which is used to determine the amount of atlantoaxial (AA) rotation. I also review Freyette's third law and how it pertains to this special test.
Practical Ninjas
How gyroscope works | Learn under 5 min | Gyroscope in a smartphone | MEMS inside gyroscope
How stuff works??? - Gyroscope ---------------------------------------------------------- In the current video we discuss the physics behind working of the a gyroscope. Gyroscope is a key component in IMU (Inertial measurement unit). IMU...
Brian McLogan
Rotations in degrees for counter and clockwise directions
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Catalyst University
True Back Muscles | The Transversospinales and Segmental Groups
This video is part 2 of a series that explores the deep back muscles. Specifically, we discuss the transversospinales and segmental muscle groups. Also discussed are the associated origins, insertions, actions, and innervations.
Brian McLogan
Sketch the Angle in Standard Position
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Curated Video
Servo motor, what's inside
In this video, we'll take a look inside a servo motor to see what's inside. This video is a great way to learn about servo motors and what they do! If you're interested in motors or electronics, this video is a great way to learn about...
Flipping Physics
Point Particle with Rigid Object Collision - Conservation of Angular Momentum Demonstration and Problem
A 5.3 g dart moving horizontally at 16.9 m/s collides with and sticks to a stationary Rotational Inertia Demonstrator a distance of 31.7 cm from the axis of rotation of the RID. What is the final angular velocity of the RID?
NASA
NASA | Swift Catches Mega Flares from a Mini Star
On April 23, NASA's Swift satellite detected the strongest, hottest, and longest-lasting sequence of stellar flares ever seen from a nearby red dwarf star. The initial blast from this record-setting series of explosions was as much as...