what is the difference between shoulder subluxation and dislocation?
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A dislocation involves the structures of the shoulder while a subluxation usually is about the mechanical integrity of the shoulder and its supporting structures. Despite the key differences of these two injuries, they have some similar symptoms – the two most obvious being pain and inability to move the arm.
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Acute Tear If you fall down on your outstretched arm or lift something too heavy with a jerking motion, you can tear your rotator cuff. This type of tear can occur with other shoulder injuries, such as a broken collarbone or dislocated shoulder.
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The anterior deltoid also works in tandem with the subscapularis, pecs and lats to internally (medially) rotate the humerus. The intermediate fibers perform basic shoulder abduction when the shoulder is internally rotated, and perform shoulder transverse abduction when the shoulder is externally rotated.
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Finger dislocation is a common injury. It occurs when the bones of the finger are moved (dislocated) from their normal position. A dislocated finger can occur in any of the joints of any finger, but it occurs most often in the middle knuckle of the little, ring, middle, or index finger.
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There are 2 main causes of rotator cuff tears: injury and degeneration. An injury to the rotator cuff, such as a tear, may happen suddenly when falling on an outstretched hand. It may also develop over time due to repetitive activities. Rotator cuff tears may also happen due to aging, with degeneration of the tissues.
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Joint dislocations are classified as either "anterior" or "posterior," depending on the direction in which the collarbone is pushed during the injury: Anterior—the end of the clavicle is pushed forward, in front of the sternum (breastbone)
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Due to joint instability, HEDS patients suffer from frequent joint stress and injury, leading to chronic arthralgia, soft-tissue rheumatism (i.e. tendonitis, bursitis, epicondylitis), and myalgia; many also suffer from frequent subluxations and dislocations1,2,3,4.
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Shoulder separation is an injury to the ligament between the shoulder blade and collarbone. Whereas shoulder dislocation occurs when the top of the arm bone loses contact with the socket of the shoulder blade.
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A separated shoulder or AC joint injury is an injury to the joint formed by the collarbone and a bone of the shoulder blade that sits on top of the shoulder. This injury is most commonly caused by falling directly on or taking direct blow to that shoulder. Symptoms typically include pain and swelling.
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The rotator cuff is a group of muscles and tendons that keep the upper arm bone held in the shoulder blade socket. Pain from a problem with the rotator cuff is often called shoulder impingement. The condition causes swelling, pain or damage to the tendons of the rotator cuff.
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The rotator cuff develops wear and tear with age, and can be easily injured. When this happens, we compensate by using different muscles to pick things up or reach for them. “This may cause both shoulder and neck pain,” says Dr. Ricchetti.
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A shoulder separation refers to the separation of the end of the clavicle (your collarbone) from the acromion, which is the tip of your shoulder blade on top. A shoulder dislocation refers to the dislocation of the ball from the socket.
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The loss of the rotator cuff can produce pain and also loss of motion. A normal shoulder replacement is designed to work only if those tendons are intact. In contrast, a reverse prosthesis is designed for situations where the rotator cuff is torn or malfunctioning.
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Weakness of the shoulder can come from deficits in coordination nerve muscle or tendon. Often weak shoulders will respond to a gradually progressive strengthening program. If shoulder weakness does not respond to these exercises it may be due to a rotator cuff problem or a nerve injury.
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This pain is worse with the arm away from the body or with overhead type activities. There may be some popping and clicking during motion if the bursa sac is thickened. Symptoms can come and go depending on how active you are. This pain is often felt in the upper arm more so than directly on top of the shoulder.
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The most common symptoms of a rotator cuff tear include: Pain at rest and at night, particularly if lying on the affected shoulder. Pain when lifting and lowering your arm or with specific movements. Weakness when lifting or rotating your arm.
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In most people, a separated shoulder doesn't usually require surgery. Instead, conservative treatment — such as rest, ice and pain relievers — is often enough to relieve the pain. Most people regain full shoulder function within a few weeks after having a separated shoulder.