What causes pain in my shoulder?
A common cause of shoulder pain is soreness of the tendon (a cord
that attaches a muscle to a bone) of the rotator cuff (the part of the
shoulder that helps circular motion). Another common cause is soreness
of the subacromial bursa (a sac of fluid under the highest part of the
shoulder). You might experience soreness after activities such as
painting, lifting or playing a sport, which require you to lift your
arms. Or you may not remember any specific injury.
The main joint in the shoulder is formed by the arm bone and the shoulder blade. The joint socket is shallow, allowing a wide range of motion in the arm. The rotator cuff is made up of 4 muscles that surround the arm bone. This cuff keeps the shoulder steady as the arm moves.
The main joint in the shoulder is formed by the arm bone and the shoulder blade. The joint socket is shallow, allowing a wide range of motion in the arm. The rotator cuff is made up of 4 muscles that surround the arm bone. This cuff keeps the shoulder steady as the arm moves.
How does the rotator cuff get hurt?
The supraspinatus muscle rests on top of the shoulder. Its tendon
travels under the bone on the outside of the shoulder (the acromion).
This tendon is the one most often injured because of its position
between the bones. As the tendon becomes inflamed (sore and swollen), it
can become pinched between the 2 bones. The sac of fluid that cushions
the tendon can also be damaged.
How do I know the rotator cuff is hurt?
If the rotator cuff is involved, the pain is usually in the front or
outside of the shoulder. This pain is usually worse when you raise your
arm or lift something above your head. The pain can be bad enough to
keep you from doing even the simplest tasks. Pain at night is common,
and it may be bad enough to wake you.
What can I do to help relieve the pain?
Treatment should help relieve the pain and help you restore your
shoulder to normal function. Pain relief strategies include active rest
(you can and should move your shoulder, but you shouldn't do strenuous
activities like lifting heavy objects or playing tennis). Application of
ice, taking nonsteroidal anti-inflammatory medicine such as ibuprofen
(brand names: Advil, Motrin) or naproxen (brand name: Aleve) and,
occasionally, an injection of anti-inflammatory steroids can also help.
Special exercises may also help. The first step of rehabilitation therapy is simple range-of-motion exercises. By bending over and moving (rotating) your shoulder in large circles, you will help to avoid the serious complication of rotator cuff injury, called a frozen shoulder. These range-of-motion exercises are followed by resistance exercises using rubber tubing or light dumbbells. The final step is resistance training with weight machines or free weights.
Special exercises may also help. The first step of rehabilitation therapy is simple range-of-motion exercises. By bending over and moving (rotating) your shoulder in large circles, you will help to avoid the serious complication of rotator cuff injury, called a frozen shoulder. These range-of-motion exercises are followed by resistance exercises using rubber tubing or light dumbbells. The final step is resistance training with weight machines or free weights.
What exercises should I do?
Range of motion
Stand up and lean over so you're facing the floor. Let your sore arm
dangle straight down. Draw circles in the air with your sore arm. Start
with small circles, and then draw bigger ones. Repeat these exercises 5
to 10 times during the day. If you have pain, stop. You can try again
later.
Rotator cuff strengthening
Use a piece of rubber tubing for these exercises. Stand next
to a closed door with a doorknob. Loop the tubing around the knob. With
your hand that is closest to the door, bend your arm at a 90° angle and
grab the loop of the tubing. Pull the band across your tummy. At first,
do 1 set of 10 exercises. Try to increase the number of sets as your
shoulder pain lessens. These exercises should be done every day.
Upper extremity strengthening
As your pain goes away, try adding a general upper body
weight-lifting program using weight machines or free weights. Lie on
your right side with your left arm at your side. With a weight in your
left hand and your forearm across your tummy, raise your forearm. Keep
your elbow near your side.
What else can I do to help this injury heal?
An aerobic exercise program will help improve the blood flow to the
tendon or bursa. This helps reduce soreness. Smokers should quit smoking
so more oxygen reaches the injured tendon. This will help the injury
heal faster.
Will I need surgery?
Sometimes an injury that lasts a long time will cause the tendon to
tear. This type of injury may need surgery. A tear of the rotator cuff
is suspected when the pain goes on in spite of a good rehabilitation
program or when there is weakness in certain motions of the arm.
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