Dr. Mike Barratt, NASA astronaut, physician and a flight surgeon, shares his story of living in space. Barratt addresses five hazards of human spaceflight and why these challenges need to be addressed to make deep-space missions...

This video uses systematic reviews and meta-analyses to provide an evidence-based approach [1] criticizing the United States’ view of sugar, fat, and cholesterol; and [2] discussing how sugar has always been the culprit in obesity and...

In this video, we explore the biosynthesis, mechanism of action, and metabolism of the plant alkaloid, cocaine.

In this video, we discuss the pathways of the sympathetic nervous system in detail.

In this video, we discuss the salvage pathway for vitamin B5 (pantothenic acid), its biochemical reconstruction after absorption, and some clinical implications for vitamin B5 deficiency.

In this video, we do a brief review of the anatomy of the sternoclavicular (SC) & acromioclavicular (AC) joints.

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.

Dr. Natacha Chough, Flight Surgeon, talks about what flight surgeons do and how they work with astronauts to monitor their health during spaceflight. She reveals health concerns that are unique to the space environment. HWHAP Episode 22.

In this video, we will discuss the structure of the acromioclavicular (AC) joint along with the associated stabilizing ligaments and other nearby structures.

In this video, we will be exploring the mechanisms of action of several antihypertensive drugs that act in the cardiovascular system and on the heart: β-blockers, calcium-channel blocker's, and α-blockers.

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...

In this motor learning video, we explore how practice intensity is classified, in terms of cardiovascular and perfection perspectives.

In this video, we explore the active ingredient in hot peppers, capsaicin, and discuss its biosynthesis, mechanisms, & metabolism.

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...

By any objective measure, the United States doesn't train enough medical doctors to meet the nation's needs. That means graduates from other countries are needed. Aaron takes a look at foreign medical graduates, an essential element of...

In this video, we explore the following: [1] structure and functions of the vestibulospinal and vestibulocollic reflexes, or the VSR and the VCR. [2] various types of hip strategies, their form, detection, and patterns of muscle activation.

In this video, we explore the basic pharmacology of Parkinon's disease.

In this video, I demonstrate and explain correct technique for the sidelying hip ABD along with one good progression of the exercise.

In this video, I demonstrate and explain correct technique for the prone hip EXTension along with a couple good progressions of the exercise.

In this video, we explore the screw-home mechanism of the knee joint that occurs near terminal knee extension in both open and closed-chain positions.

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.

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.

In this video, we explore the structure and functions of the uncovertebral joints, the formation of a bipartite disc, and the associated movements allowed in the cervical spine.

In this video, we do an introduction to gout by discussing purine degradation, uric acid production, and hyperuricemia. We also discuss why uric acid is not degraded further in humans by looking at the biochemistry.