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Shoulder Impingement

March 22, 2018

What are the symptoms?

The symptoms of shoulder impingement include:

Weakness and loss of movement
Possible swelling in the shoulder area
Pain and difficulty lying on the affected side when sleeping.
Pain in the shoulder and upper arm when lifting the arm above shoulder height

What are the causes?

It is important to recognise that shoulder impingement is not in itself a diagnosis, as there can be many different causes for its occurrence. Four common causes for shoulder impingement are:

Bony changes to the acromioclavicular joint – The acromioclavicular joint is a bony arch positioned just above the shoulder joint, formed by the acromion process (part of the shoulder blade) and the clavicle (or collar bone). After years of wear and tear to this joint, the body lays down bony spurs (or osteophytes) in an attempt to protect the area. These bony changes can then impinge the tendons and soft tissues that lie in between the shoulder joint and the acromioclavicular arch.

Inadequate muscular stability – The shoulder is extremely dependent on the muscles around it to move the scapula (shoulder blade) out of the way of the shoulder joint, to give the shoulder its full range of movement. When these muscles become weak, they lose control of the scapula and this can impinge on the tendons of the shoulder.

Postural Changes – Our posture can be a common cause of shoulder impingement. This is typical of a patient with thoracic kyphosis (or slumped posture). Increased thoracic kyphosis can cause the scapula (shoulder blades) to move forward making the shoulders more rounded. The altered position of the scapula reduces the range of movement in the shoulder joint and this predisposes the joint to impingement.

Acute Tendon Tears – People who perform repetitive arm movements above their head such as throwing, shelf stacking, or hedge trimming can be at risk of shoulder impingement. As you raise your arm the space between the head of the humerus (the “ball” of the ball and socket joint) and the acromioclavicular arch becomes less. This increases the potential for impingement of the tendons that run through the subacromial space (the space between the acromioclavicular arch and the shoulder joint). In addition to this, a sudden overhead arm movement may cause these tendons within the subacromial space to tear, the tendon then becomes inflamed and this can lead to further shoulder impingement.

How can we help you?

Our highly experienced physiotherapists can provide you with a thorough examination and a diagnosis. From our findings, we will create a personal treatment programme that will focus on areas such as reducing pain and regaining range of movement, strength, and stability. As you progress we can adapt your treatment so that your rehabilitation will be specific to your work tasks and/or sporting activities.

What types of treatment are available?

The following are some of the treatment options we can offer to those suffering from shoulder impingement.

Manual mobilisation therapy – These are passive movements that the therapist applies to the spine to increase the range of movement and reduce stiffness and pain.

Soft tissue massage – Can reduce muscle tension, improve tissue mobility, enhance muscle contraction and desensitise any painful and overactive areas.

Ultrasound Therapy – Can speed up and optimise the healing process.

Acupuncture – Can stimulate the body’s natural healing response, release pain-killing endorphins and improve the functioning of the hormonal system.

Interferential Therapy – Can provide pain relief, and muscle stimulation, enhance blood flow and reduce oedema.

Exercise and Rehabilitation – We can provide you with exercises that can safely target the right muscles to regain both strength and stability.

Ergonomic and Postural advice – This can help you manage your day-to-day activities whether you’re sitting at a desk or trying to get a good night’s sleep.