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Catalyst University
Manipulations | Absolute & Relative Contraindications ⚠️ 🛑
In this video, we discuss some of the common absolute and relative contraindications to performing manipulations.
Flipping Physics
2 Masses on a Pulley - Conservation of Energy Demonstration
Mass 1 and mass 2 hang from either side of a frictionless #pulley with #rotationalInertia, I, and radius, R. What is the angular acceleration of the pulley? Use #ConservationOfEnergy
Catalyst University
TherEx | Wall Angels for Scapular/Glenohumeral Coordination
In this video, I demonstrate and explain wall angels, which is useful in cases of subacromial impingement, thoracic outlet syndrome, and many more.
Catalyst University
Hautant's Test | Rationale & Interpretation
In this video, I explain and demonstrate Hautant's test, a special test used in the assessment of vertebrobasilar artery insufficiency.
Espresso Media
The Women of Standing Rock: Native Identity, Trauma, and Resilience
The Women of Standing Rock part 4/8: This video highlights the experiences of a Native individual growing up in a predominantly white town, facing alienation and self-hate due to societal standards. It also discusses the impact of...
Weatherthings
Balance a broom any day
Can you balance or stand a broom upright on the equinox? Yes, but that's a myth, not because it's wrong, but because it implies that that's the only time you can do it. The reality is you can stand a broom straight up and down on any day...
Catalyst University
Thompson Test | Rationale & Interpretation
In this video, I explain and demonstrate the Thompson test, a special test used in the diagnosis of an Achilles tendinopathy and/or rupture.
Catalyst University
Tensor Fascia Latae (TFL) | Clinical Anatomy & Physiology
In this video, we explore the anatomy of the tensor fascia lata (TFL) muscle by discussing its origin, insertion, and other relevant clinical features.
Catalyst University
Upper Limb Tension Tests (ULTTs) | Median Nerve Bias
In this video, I explain and demonstrate the median nerve tension test (AKA ULTT-1 or ULTT-A), a test used to diagnose nerve tension/adverse and arrow dynamics and that is also part of the cervical radiculopathy clinical prediction rule.
Catalyst University
Temporomandibular Joint 😲 Mastication Muscles
In this video, we explore the anatomy and physiology of the 4 muscles of mastication (chewing) - temporalis, masseter, and medial and lateral pterygoids. More specifically, we cover their origins, insertions, actions, innervation, and...
Catalyst University
SI Joint Special Tests | Cluster of Laslett
In this video, we explore the Cluster of Laslett, a test item cluster used in the diagnosis of SI joint dysfunction. Specifically, I explain and demonstrate the following special tests: thigh thrust, distraction, sacral thrust, and...
Catalyst University
TherEx | Quad Sets, Straight Leg Raises (SLRs) & Progressions
In this video, I demonstrate and explain correct technique for quad sets and the straight leg raise (SLR) along with one good progression of the exercise.
Catalyst University
TherEx | Levator Scapulae Stretch
In this video, I demonstrate a stretch to the levator scapulae muscles.
Catalyst University
Cervical Rotation Lateral Flexion (CRLF) Test | Rationale & Interpretation
In this video, I explain and demonstrate the cervical rotation lateral flexion (CRLF) test, a special test used to evaluate patients with pain in the cervicothoracic junction and brachialgia.
Catalyst University
Alar Ligament Stress Test (with Rotation & Sidebending) | Demonstration & Interpretation
In this video, I explain and demonstrate the alar ligament stress test, which is used to assess integrity of the alar ligaments in the cervical spine. More specifically, we cover its rationale, interpretation of results, and psychometric...
Catalyst University
Abdominal Reflex | Procedure & Results Interpretation
n this video, I explain the abdominal reflex. More specifically, we discuss the reflex arc and how to determine whether or not the reflex is present/normal or abnormal.
Catalyst University
Meningitis Tests | Brudzinski’s & Kernig’s Signs [+ Signs/Symptoms]
In this video, we explore the signs and symptoms of meningitis; and I explain and demonstrate three special tests used in the diagnosis of meningitis along with the rationale and interpretation of results. [1] Nuchal rigidity [2]...
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 | Scalene Stretches [for Anterior, Middle, & Posterior Scalenes]
In this video, I demonstrate stretches targeting each of the scalene muscles: anterior, middle, and posterior scalenes.
Catalyst University
Lower Extremity Nerve Sensitizers | Tibial, Sural, & Peroneal Nerves
In this video, I explain and demonstrate the three major lower extremity nerve sensitizers, which are used to assess for adverse neural dynamics of the tibial, peroneal, and sural nerves.
Catalyst University
Cervical Distraction (Gapping) Test | Rationale & Interpretation
In this video, I explain and demonstrate the cervical distraction test, a special test used in the clinical prediction rule for a cervical radiculopathy.
Physics Girl
STRANGE Sand Acts Like Liquid
Bubbling air through sand can cause it to act like a liquid. Dianna Cowern and William Osman try to reproduce this popular GIF on Physics Girl. Sand liquefied!
Flipping Physics
Angular Acceleration Introduction
Angular acceleration is introduced by way of linear acceleration. The units of radians per second squared are discussed. Examples of objects which angular acceleration are shown.
Catalyst University
Yergason's Test | Rationale & Interpretation
In this video, I explain and demonstrate Yergason's test, a special test used in the assessment of bicipital tendonopathies and SLAP tears of the shoulder.