SciShow
The Strange Effects of Diamond Dust
Bright pillars of light... clouds of glowing dust... shimmering discs floating around the sun... signs of extraterrestrial activity, or is there a more rational and scientific explanation for this phenomenon?
TED-Ed
TED-Ed: The myth of Hades and Persephone | Iseult Gillespie
One day, Persephone was frolicking in a meadow with the nymph, Cyane. As they admired a flower, they noticed it tremble in the ground. Suddenly, the earth split, and a terrifying figure arose. It was Hades, god of the underworld. He...
Crash Course
How to Argue - Induction & Abduction: Crash Course Philosophy
We continue our look at philosophical reasoning by introducing two more types: induction and abduction. Hank explains their strengths and weaknesses, as well as counterarguments and the Socratic method.
Professor Dave Explains
Logic in Late Modern Philosophy
How did logic continue to develop as the modern period in philosophy progressed? Mill and Comte discussed the inverse deductive method. But then a huge figure arose, George Boole. He innovated new logical symbology that got us closer to...
Curated Video
Persephone: Bringer of Life or Destruction?
In Greek mythology, the magnificent mother and daughter duo Demeter and Persephone were the bringers of food and fair weather and were worshiped in lush harvest celebrations. But their story has a darker side – one involving violence,...
Kenhub
Medial plantar muscles of the foot (3D)
Anatomy and functions of the medial plantar muscles of the foot shown with 3D model animation.
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
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
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
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...
Catalyst University
Adson's Test | Rationale & Interpretation
In this video, I explain and demonstrate Adson’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 properties for this...
Catalyst University
Thumb CMC Joint Mobilizations [with Convex-Concave Rules]
In this video, we discuss how the thumb's CMC joint is mobilized using convex-concave rules.
Catalyst University
Biceps Load Tests (II & I) | Rationale & Interpretation
In this video, I explain and demonstrate several special tests used in the diagnosis of SLAP tears of the shoulder joint. More specifically, I cover the rationale, interpretation of results, and psychometric properties for these tests:...
Catalyst University
Painful Arc Test | Rationale & Interpretation
In this video, we explore the painful arc test, a special test used in the diagnosis of condition such as rotator cuff tears and subacromial impingement syndrome. We also touch on its psychometrics including sensitivity and specificity.
Kenhub
Lateral plantar muscles of the foot (3D)
Anatomy and functions of the lateral plantar muscles of the foot shown with 3D model animation.
Catalyst University
Test Item Cluster | Subacromial Impingement Syndrome EXPLAINED
In this video, we explore the test item cluster for subacromial impingement syndrome. Specifically, we will cover the special tests used, their sensitivities and specificities, and likelihood ratios of having the condition.
Catalyst University
Test Item Cluster | Full-Thickness Rotator Cuff Tear
In this video, we explore the test item cluster for a full-thickness rotator cuff tear. Specifically, we will cover the special tests used, their sensitivities and specificities, and likelihood ratios of having the condition.
Catalyst University
KINE 3135 Planes of Motion and Terminology
KINE 3135 Planes of Motion and Terminology
Catalyst University
Median Nerve Glides EXPLAINED
In this video, I explain and demonstrate a couple variations of the MEDIAN nerve glide, which is used to treat a variety of conditions where adverse neural dynamics of the median nerve are involved.
Catalyst University
TherEx | Pectoralis Minor Stretch
In this video, I demonstrate and explain how to perform pectoralis minor stretches, which are useful in conditions such as upper cross posturing, cervical radiculopathies, thoracic outlet syndrome, and more.
JJ Medicine
Abduction vs. Adduction, Flexion vs. Extension and Opposition of the Thumb
Lesson on Thumb Abduction vs. Adduction, Flexion vs. Extension and Opposition (Clinical Skills Lesson). Terminology involving movements of the thumb can be difficult to learn. However, knowing these movements and their terminology is...
Curated Video
Surviving Trauma and Finding Inner Power: The Story of Sam
Sam's Triumph part 1/4: The video is a transcript of an interview with a survivor of the Holocaust, who shares his experiences of living through the trauma of the war and losing his family members to the violence of the German occupying...
Catalyst University
The Sartorius | Structure, Origin, Insertion, Action, and Innervation
In this video, we explore the sartorius muscle including origins, insertions, actions, and innervation.