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Bursitis
& Tendinitis
The
bursa is a sac filled with fluid that helps cushion your
shoulder joint. Close to it are two tendons -- the rotator
cuff tendon and the biceps tendon. Through repeated movement
involving holding your arm out from your body, bursa and/or
tendons are squeezed, and can become inflamed. An inflamed
bursa is called bursitis. Inflamed tendons are called tendinitis.
Rotator
Cuff Tear
A
clicking or popping sound in your shoulder can be a sign
of a torn rotator cuff. This is a group of muscles and tendons
that provide support and stability in your shoulder. Untreated
rotator cuff tears can lead to arthritis.
Arthritis
Arthritis
is actually a roughening of any joint, such as your shoulder.
A number of diseases or injuries can cause it. In arthritis,
the smooth surfaces that are normally present in a joint
are replaced by worn cartilage, and sometimes by loose pieces
of cartilage and bone. Pain worsens as bone begins to rub
on bone.
Dislocation
In
dislocation, your arm bone (humerus) has been pulled out
of its proper position in your shoulder socket. This can
occur if your arm is jerked backward, or pulled sharply.
The resulting symptoms may include severe pain, inability
to move the arm, numbness, swelling, and bruising. Sometimes
this can become a chronic looseness or instability.
Sprains
& Separations
A
common cause of these injuries is a fall. In a sprain, ligaments
are torn. If the tear is large, two bones (the acromion
and the clavicle) may separate from each other, causing
a bump (the top of the clavicle) to pop up. This is called
a separation.
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