Explanation and Causes:
Around the heart and the major blood vessels of the heart is a sac called the pericardial sac. Pericarditis is when this sac becomes inflamed and starts to swell. This presents problems for normal beating of the heart and irritation of the heart tissue due to the rubbing of the sac [...]

Explanations and Causes:
The meniscus of the knee is a flat bi-lobed disc of cartilage that sits between the femur of the upper leg and the bones of the lower leg. Its function is to lubricate the movement, absorb the shock or compression, and limit over flexion or bending of the knee. [...]

Explanation and Causes:
A stress fracture is a tiny break or fracture in the bones usually of the lower leg and foot. Many stress fractures occur when a workout is unevenly intensified to a degree where the muscles tire and can no longer support all the stress put on the bone. 60-65 [...]

Explanation and Causes:
The eardrum is a membrane that separates the inner ear from the outer ear. It is the structure responsible for converting sound waves or vibrations into nerve impulses that can be registered in the brain. The eardrum also acts as a barrier to defend against bacterial infections and other [...]

Explanation and Causes:
Pancreatitis can come in two forms. It can be diagnosed as chronic or acute. Acute usually results from a one time injury or illness while chronic stems from a constant irritant that irreparably damages the pancreas. Smoking or alcohol would constitute cause of chronic pancreatitis.
The pancreas is located [...]

Explanation and Causes:
Tetanus is caused by bacterial toxins that cause severe muscle spasms. The nerves of the muscular system are the primary target. These muscle spasms can make it very difficult to swallow or even breathe. The bacteria grow and multiply the best in non-oxygen conditions such as in a [...]

Explanation and Causes:
The shoulder joint has the most range of motion of any other joint in the body. To enable the shoulder in its wide range of motion, many tendons have to work hard to keep the shoulder in place throughout. These tendons make up the rotator cuff. They are [...]

Explanation and Causes:
Heat stroke sets in after a less serious illness called heat exhaustion. Because heat exhaustion is a precursor to heat stroke, it should be taken just as seriously. Heat stroke happens as a result of the body not being able to cool itself through its regular mechanisms of sweating [...]