Becker cyst or cyst of the popliteal fossa - is the result of inflammation of the mucous mezhsuhozhilnyh bags between the tendons of the middle head of the gastrocnemius and semimembranosus muscles. These bags are slimy mezhsuhozhilnye case scenario and there are half the healthy individuals. The disease develops only when these pouches develop an inflammatory process, accompanied by an increase in the size of bags, pain and movement disorder in the knee joints.
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Dislocation - complete displacement of the articular surfaces of bones forming the joint, which lost contact of the articular surfaces of joints. Usually accompanied by sprains breaks the joint capsule and ligaments. Incomplete separation of the articular surfaces is called subluxation.
The mechanism of traumatic injury resulting in dislocation occurred more often indirect. This decline in the straightened leg, sudden sharp contraction of the muscles, such as
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Shoulder dislocations are extremely rare.
The mechanism of dislocation of shoulder - a strong craving for a hand or a blow to the shoulder blade. At the same blade moves sideways, its lower angle of impinge between the ribs. Damage can develop muscles are attached to the scapula. The patient complains of pain in the shoulder. The pain intensified by movement arm with the injured party. On examination, detect a violation of symmetry in the arrangement of blade
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The clavicle is attached at one end to the sternum, this part is called the thoracic end and acromial end of clavicle articulates with the acromion scapula offshoot of the shoulder. Dislocation of the sternal end of the clavicle does not happen often.
The cause of dislocation of the clavicle can be a blow to the chest, falling on his shoulder, etc. At the end of this thoracic clavicle can be moved forward, backward, up or down. Displacement of the clavicle is
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Traumatic dislocations of the shoulder are very common. They constitute more than half of all dislocations. Exposure to the shoulder joint dislocation due to its high mobility, high traffic volumes, which runs the joint.
The joint is formed on the one hand the spherical head of the humerus, on the other side of the plane, ellipsoid articular surface of the scapula. The contact between the articular surfaces is small, usually only a quarter of the articular su
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Dislocation of the forearm is in the elbow. It is common, but somewhat less than a dislocated shoulder. Dislocation of the forearm can be:
Front
back
postero-lateral.
Form the elbow joint articular surface of the three bones: the humerus, ulna and radius. Joint capsule is thin, but laterally reinforce the joint two strong ligaments. Chance of dislocation as the two forearm bones (ulna and radius) and one of them.
Posterior dislocation of the f
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Sprains occur in the bones of the hand wrist joint. Skeleton hand consists of a large number of small wrist bones and joints and polusustavov between them.
Radiocarpal joint - this is the joints between the ulna and radius bones of the upper side and the eight bones of the hand from the bottom. Eight small, short bones, connecting with each other in two rows to form the wrist. The upper range of their form navicular, lunate, triangular, and pisiform. Had meet
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