This video shows how to calculate the internal forces of members that make up a truss. 1) Isolate the joint of interest. 2) draw a free body diagram 3) Apply sum of forces = 0 keeping in mind that some forces may be in BOTH x and y...

This colorful series of videos highlights the major features of the skin, skeletal, and muscular systems. Live-action footage, accompanied by three-dimensional animations, illustrate these fascinating body systems. Special attention is...

Joint Dialog Changes

Overall, Joints and As-Built Joints work in the same manner as before. However, you will notice some changes to the layout and terminology used in the Joints dialogs. Note that motions have been moved to a...

Have you ever wondered why or how your joints pop? In this video, I explain the physiological mechanism underlying the cracking or popping of joints such as those in the fingers or neck. The exact reasons may surprise you.<br/>

KINE 3135: Physical Concepts in Biomechanics

Here is volume 10 of the planet pe 5 a day gcse pe revision questions. As we move towards the exam in a few weeks time I will be posting 5 questions each day to help test your revision. Place your answers in the comments section and...

For method joints the usual method is

1) Find all necessary angles and geo
metry
2) Find all react
ion forces
3) Draw a FBD of a joint and

analyze forces

This truss problem looks difficult, but if you choose your...

Dive in with NSF funded researcher John Long and his robotic sharks. A professor at Vassar College, Dr. Long and his team study real live sharks and their vertebral columns. They then take these findings and design computer models and...

This video provides an overview of Tai Chi, a low impact and relaxing exercise that originated as a Chinese martial art. They explain that Tai Chi is practiced for both defense training and health benefits, and it focuses on enhancing...

This video tutorial presents the anatomy of foot x-rays: 0:00. Intro to foot x-rays 0:13. Standard foot series for x-rays 0:17. AP view (right foot) 2:40. Oblique view (right foot) 3:33. Lateral view (right foot) 4:57. In-a-Nutshell...

A feature from NASA's Ames Research Center in Silicon Valley originally posted on August 14, 2017.

Systemic lupus erythematosus (SLE; which we call simply Lupus) is a chronic autoimmune condition involving multisystem inflammation. The etiology of lupus is unknown; however, the pathophysiology of lupus involves production of...

Screw pumps are rotary, positive displacement pumps that can have one or more screws to transfer high or low viscosity fluids along an axis. A single screw rotary pump is also known as a progressive cavity (a PC pump). In...

SANTA FE, NEW MEXICO - JULY 2, 2017: A MAN born without thighs is one of out 25 people in the world born with the condition.Nathan Hrdlicka, 34 from Santa Fe, New Mexico, has bilateral PFFD (Proximal femoral focal deficiency) type D -...

No need to worry if tendons pop and crack during poses that exercise the joints from toes to fingertips. It’s a good sign!

In this video, we discuss the major factors that confer stability to the sacroiliac (SI) joint. Also, we differentiate sacral nutation and counter-nutation and the associated restrictions in each movement.

Here is volume 11 of the planet pe 5 a day gcse pe revision questions. As we move towards the exam in a few weeks time I will be posting 5 questions each day to help test your revision. Place your answers in the comments section and...

This colorful series of videos highlights the major features of the skin, skeletal, and muscular systems. Live-action footage, accompanied by three-dimensional animations, illustrate these fascinating body systems. Special attention is...

The strong, flapping flight of bats offers great possibilities for the design of small aircraft, among many other applications. By building a robotic bat wing, Brown University researchers have uncovered flight secrets of real bats. Bat...

Rheumatoid Arthritis (RA) is a chronic autoimmune condition involving inflammatory polyarthritis and other extra-articular manifestations. In this lesson, we discuss the signs and symptoms of RA, including hallmark clinical findings,...

Reactive Arthritis & Reiter’s Syndrome | Causes, Signs & Symptoms, Diagnosis, Treatment



Reactive arthritis is a seronegative spondyloarthropathy that occurs after a bacterial infection. It is an immune-mediated condition...

A video tutorial that covers the structure and actions of the scapulothoracic joint.

Bodies and components still function the same but note that Fusion 360's ability to also serve as a 'Bottom-Up Assembly' structure has improved. Fusion 360 is now seen as one of the few CAD packages that are versatile enough to handle...

Wai Lana demonstrates two ab strengtheners for a firm, flat tummy. Two versions of Plough offer maximum stretch in the spine and hamstrings. A good leg stretch twist, too!