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04.09.2014

Shoulder rotator cuff, pain in right shoulder blade and back - .

Author: admin
The rotator cuff is a group of tendons and muscles in the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula). Each muscle of the rotator cuff inserts at the scapula, and has a tendon that attaches to the humerus. Rotator cuff tendinitis (tendonitis): Repetitive overhead use of the arms (such as painting or throwing) causes a painful strain injury. Rotator cuff impingement: The tendons of the rotator cuff are squeezed between the humerus and a nearby bone called the acromion. Frozen shoulder (adhesive capsulitis): The humerus adheres to the shoulder blade, causing shoulder pain and stiffness. Subacromial bursitis: Inflammation of the small sac of fluid (bursa) that cushions the rotator cuff tendons from a nearby bone (the acromion). Magnetic resonance imaging (MRI): Magnetic waves create highly detailed images of the muscles, bones, and tendons in the shoulder.
Computed tomography (CT): A machine takes multiple X-ray pictures of the shoulder, and a computer reconstructs them into detailed images. Ultrasound: An ultrasound probe directs painless high-frequency sound waves at the shoulder, creating images of the muscles and tendons.
Your shoulder joint is a relatively unstable ball and socket joint that is moved and controlled by a small group of four muscles known as the rotator cuff.
As the name suggests, the rotator cuff muscles are responsible for shoulder rotation and form a cuff around the head of the humerus (shoulder ball). Your physiotherapist or sports doctor will suspect a rotator cuff injury based on your clinical history and the findings from a series of clinical tests. A diagnostic ultrasound scan is the most accurate method to diagnose the specific rotator cuff injury pathology.


Your rotator cuff is an important group of control and stability muscles that maintain “centralisation” of your shoulder joint. We also know that your rotator cuff provides subtle glides and slides of the ball joint on the socket to allow full shoulder movement. For more specific advice about your rotator cuff injury, please contact your PhysioWorks physiotherapist.
Later, you will do strengthening exercises to improve the strength and control of the rotator cuff and shoulder blade muscles. The shoulder is made up of three bones: the scapula (shoulder blade), the humerus (upper arm bone), and the clavicle (collarbone). As the arm is raised, the rotator cuff also keeps the humerus tightly in the socket of the scapula. The degeneration of aging helps explain why the rotator cuff tear is such a common injury later in life. This problem of degeneration may be accelerated by repeating the same types of shoulder motions. The typical patient with a rotator cuff tear is in late middle age and has had problems with the shoulder for some time.
An MRI scan is a special imaging test that uses magnetic waves to create pictures of the shoulder in slices. The rotator cuff tendons provide stability to the shoulder; the muscles allow the shoulder to rotate. The rotator cuff is formed by the tendons of four muscles: the supraspinatus, infraspinatus, teres minor, and subscapularis. The upper part of the scapula that makes up the roof of the shoulder is called the acromion.


Rotator cuff tears usually occur in areas of the tendon that had low blood supply to begin with and then were further weakened by degeneration. However, your doctor may want you to have a shoulder X-ray to see if there are bone spurs, a loss of joint space in the shoulder, or a down-sloping (hooked) acromion.
The areas of poor blood supply in the rotator cuff make these tendons especially vulnerable to degeneration from aging. But even doing routine chores like cleaning windows, washing and waxing cars, or painting can cause the rotator cuff to fatigue from overuse. This makes the shoulder vulnerable to problems if any of its parts aren't in good working order. It is also very important to improve the strength and coordination in the rotator cuff and shoulder blade muscles. In this case, the bursa protects the acromion and the rotator cuff from grinding against each other.
Researchers estimate that up to 40 percent of people may have a mild rotator cuff tear without even knowing it. If your doctor can move the arm in a normal range of motion, but you can't move the arm yourself, you most likely have a torn rotator cuff.



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