Hip operation: animation 

This detailed animation explains how a hip replacement is done and why it would be needed.

Also watch an animation of a knee operation

Transcript of Hip operation: animation

This video will tell you how your hip works,

what can go wrong and what's involved in a hip replacement.

The large and flexible hip joint

provides us with a wide range of movement.

The joint also carries much of the weight of the body,

even in the most everyday of tasks like walking.

But as we grow old, the hip joint can experience wear and tear

and may need replacing.

Let's take a closer 3-D look inside the hip.

It has two main parts.

A ball, or femoral head at the top of your femur, or thigh bone.

This fits into a rounded socket called the acetabulum,

located in your pelvis.

Strong ligaments hold the hip joint in place.

The surfaces of this ball and socket

are surrounded by tissue called articular cartilage.

This acts like a shock absorber surrounding the bones.

In a normal healthy hip, these moving parts work effortlessly together.

However, osteoarthritis can change all that.

This common form of arthritis affects people over 50

and causes the shock-absorbing cartilage to wear away.

The bones then rub against one another, causing pain and a lack of mobility.

A hip replacement is often the best treatment option for this condition.

Let's take a journey inside the joint to see what is typically involved.

Under anaesthetic the top of the thigh bone is removed.

The inside of this bone is prepared for the insertion of the artificial hip.

Part of the bone is removed

and the interior is shaped to fit exactly the stem of the hip replacement.

Next the socket in the pelvis is prepared

to accept the ball section of the new joint.

The stem is now carefully inserted into the thigh bone

and special acrylic cement is often used to fix it into place.

Now the ball component is placed on the end of the stem

and the entire joint is fixed into position.

After surgery and rehabilitation,

previous pain in the joint subsides and mobility is restored.

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