Hand and wrist injuries (orthopaedics)
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The hand and wrist consist of several joints. They are responsible for fine motor skills and grasping and handling objects. The hand and wrist are made up of several bones held together by ligaments. A lot of muscles, tendons and nerves run around the hand and wrist. This means this is a very complex body part, made up of the elements below.
Bones
There are three types bones in the hand and wrist:
- The phalanges: 14 in total, these bones are in the fingers themselves. Each finger has three, the thumb has only two.
- The metacarpals: 5 which form the middle hand.
- The carpal bones: these are the 8 bones that form the wrist. These bones are connected on one side to the metacarpals and on the other side to the forearm bones, the radius and the ulna.
Muscles, ligaments and tendons
In addition, there are many muscles, ligaments and tendons in the hand. Muscles are structures that contract or relax, this allows the bones in the hand to move relative to each other.
Tendons are the structures that emerge from the muscle and then attach to and into the bone ends. They provide a firm transition between the muscle tissue and the bone.
The ligaments (joint bands) and connective tissue structures provide a connection between the various bones.
We also refer to muscles as intrinsic and extrinsic muscles. Intrinsic muscles are shorter muscles that begin and end in the hand. For example, these are the muscles that allow us to spread and close the fingers.
Extrinsic muscles are a lot longer. They start in the forearm and then run with long tendons across the hand, especially to the fingers. These are, for example, the muscles that stretch and flex the wrist and fingers.
Nerves
Nerves control the muscles and provide feeling in the hand. There are three main nerves in the hand: the medianus, ulnaris and radialis. Each nerve supplies a different part of the hand. When one nerve causes problems, it can cause tingling, numbness or muscle failure in part of the hand.
Carpal tunnel
An important part of the hand is the carpal tunnel. This is a kind of gutter formed by the carpal bones. Over it lies a firm band. Nine tendons and the median nerve run through the tunnel. When this nerve becomes compressed and causes symptoms, it is called carpal tunnel syndrome.
Hand and wrist problems
Orthopaedic surgeons specialised in hand and wrist injuries
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Treatment
Carpal tunnel surgery
This is a procedure in which we give the nerve in the wrist canal more space. For this procedure you (normally) don't have to stay overnight in the hospital. You can go home after the surgery. After surgery, the goal is to move the hand quick after the surgery and use the hand back as normal if possible. Nevertheless, a period of about six weeks of rest is advised after the surgery.
Trigger finger
In the beginning of the disease, anti-inflammatories and rest can sometimes help. If insufficient, additional injections of cortisone may be given. If the symptoms keep returning quickly, we usually proceed to surgery. This surgery does not require you to stay overnight at the hospital. The intention is to be able to move and use the finger again as soon as possible after the operation. Usually we count on about six weeks of rest during which it is best not to do any strenuous efforts.
Surgical removal of wrist cyst
Most often the cyst is removed through surgery. This is possible without having to stay overnight at the hospital, thus through a day admission. After surgery, if necessary, a cast is put on for a short period of time after which you can move your wrist normally again. It is usually best to avoid strenuous activity for the first six weeks. A small percentage of wrist cysts may return after surgery.
Operative treatment Dupuytren
The treatment of Dupuytren's disease involves surgical (partial) removal of the affected tissue in the palm and/or fingers. However, it is possible that after surgery the lumps and strands may return over time. The procedure is usually possible via day admission, so you don't have to stay overnight at the hospital. After surgery, a cotton bandage is placed around the hand. This bandage stays on for a week and we remove it at the consultation and then replace it with a smaller bandage. From then on it is the intention to move the fingers again. Usually it takes a few weeks before the wounds have healed nicely. If necessary, a night splint will be fitted after the procedure to keep the operated fingers stretched.