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A bruise, also known medically as a contusion, occurs when a part of the body is subjected to blunt force. It can be a fall, a blow, an accident or a collision in team sports. There are many causes of a bruise. The external force squeezes the tissue, causing blood or tissue fluid to collect in this area. This can be seen through swelling and a bruise. The affected area also hurts. If the underlying tissue is injured, you may not be able to see anything from the outside. It is precisely these bruises that are more serious, as organs, muscles or joints can also be injured.

Pretty much any part of the body can be bruised - even the organs. For example, there is also a liver or lung contusion. However, the areas where little skin and muscles protect the tissue structures are particularly at risk. The knees, ribs, shoulders and tailbones are particularly sensitive. But other areas of the body are also "prone to impacts". An overview:

Knee contusion: It occurs, among other things, in work, sports or household accidents, for example when the knee bumps against a (writing) table leg or two players collide while fighting for the ball. Usually knees and soft tissues are only superficially injured when the knee is bruised, the skin remains intact. Such a bruise usually causes long-lasting pain, with particularly severe bruises the knee joint may not bend and straighten for a while or only with difficulty.

Bruised ribs: A very painful bruise variant, because the chest is constantly in motion when you breathe. The pain usually disappears within three to six weeks. Caution: Because those affected sometimes breathe less deeply due to the bruise pain, pneumonia can develop because the lungs are not adequately ventilated and pathogens can settle more easily.

Bruise on the foot: Whether football, jogging or hiking - not paying attention, twisted or tripped and the foot is bruised. It hurts and takes a while to heal, but there are usually no complications. However, if the foot is discolored blue and severely swollen, you should see a doctor to rule out that something is broken or the ligaments are injured.

Bruise on the wrist: A typical bruise after a fall. It often arises while trying to intercept the fall. The soft tissue presses against the joint capsule or bone, bruising occurs and the affected area swells. If the wrist is severely bruised, the fingers may become numb and the mobility of the joint may be very limited. To be on the safe side, those affected should have a doctor clarify whether a joint capsule is injured or a bone is broken.

Coccyx contusion: It is usually difficult for a layperson to tell whether the tailbone is bruised or broken. Both are very painful, especially when sitting. If the same happens to a certain extent immediately after the accident or impact, or a short time later, it is likely to be a bruise. Another sign of coccyx contusion is when the often accompanying back pain soon disappears. Ultimately, however, only the doctor can clarify the question of whether it is a break or a bruise.

Back bruise: Similar to wrist bruises, often the cause of back bruises is a fall. The affected area (usually a larger area) usually swells, turns red, and dulls both with every movement of the trunk and when the person is lying on their back. Squeezing the tissue can result in a bruise, which is often extensive in back bruises. To ensure that no nerve tracts or bones are damaged, a back contusion should always see a doctor, especially if the person feels tingling or numbness in the arms and / or legs.

Bone Bruise: In particular, areas of the body where only a thin layer of skin covers the bone are prone to bone contusion (e.g. knees, shins). It occurs when the periosteum vessels tear as a result of blunt force and a bruise forms between the bone and periosteum. The latter is very sensitive to pain, so such a bruise hurts accordingly. If the bone is bruised, people should wait until the injury has subsided before putting weight on the bruised part of the body again.

Shin contusion: It is one of the bones in the bones, it only requires a small amount of force. For example, it occurs when you hit a hard object or get a kick in the shin (e.g. when playing soccer). A bruised shinbone is extremely painful, the pain sets in more or less immediately after the impact, increases under pressure / strain, but soon subsides again.

Thigh contusion: Such a bruise occurs when pressure is exerted on the thigh area at certain points or over a larger area. This can be the case, for example, in the event of a fall - from a bicycle or motorcycle, for example.

Bruise of the elbow: Such a bruise is often harmless, but it can limit everyday life considerably, as the elbow joint is involved in virtually every arm movement. And due to the swelling that is typical of bruises and the pressure-sensitive bruise, mobility can be reduced. So it's best to take care of it and cool it.

Bruise on the finger: Ball athletes are often affected when their playground equipment hits their fingertips. The pain of a bruise on the finger usually starts immediately after the violence and is severe. Most of the time, those affected bring their fingers into a bent relieving position. The finger is still mobile, making a fist is often no longer possible due to swelling and bruises. A pressure bandage, applied as soon as possible after the accident, can help reduce the swelling. Numbness usually does not occur with a bruise on the finger. If it does, you should see a doctor to clarify the cause.