joints

A detailed Summary of joints

The skull provides the brain protection from injury. The skull is composed of 21 different

bones connected together. The jaw is connected to the skull with a temporomandilar joint. The

jaw moves open and closed to help us chew our food and to communicate. A common disorder

of the jaw is called, TMJ, or Temporomandibular Joint disorder, which causes dull aching pain

and clicking noises or your jaw can be locked open or closed.

The breastbone and the ribs protect most of the vital organs. The breastbone and the ribs

are made up of 24 bones which all come together at the sternum. The vertebrae holds your

middle body up and gives your back support to stand up. It enables you to bend and flex but still

holds you up. Some common disorders on the vertebrae is a crushed or dislocated vertebrae from

falls or other trauma. You can also break your ribs, which is very painful and makes

completes the back of the shoulder, it is also called the shoulderbone. Some common disorders of

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and break, which can spontaneously occur.

are fractured wrists from falling, or a ganglion which is a lump in your wrist due to a injury of the

The upper leg is composed of the femur, and the lower leg is composed of the tibia and

carpals, metacarpals, and phalanges. The wrist is a very complex joint. Common injuries are

The shoulder joint is made up of three different bones called the Clavicle, the Scapula, and

the Humerus. They make a ball and socket joint. This allows you to swing your arms around,

which is very painful. Another disease is Osteoporosis which causes the bones to become thin

Approximate Word count = 628
Approximate Pages = 3 (250 words per page double spaced)

Category: Science

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