Shoulder impingement syndrome occurs as the result of chronic and repetitive compression or “impingement” of the rotator-cuff tendons in the shoulder, causing pain and movement problems. It can also be caused by an injury to the shoulder. People who perform repetitive or overhead arm movements, such as manual laborers or athletes who raise their arms repeatedly overhead (ie, weightlifters and baseball pitchers), are most at risk for developing a shoulder impingement. Poor posture can also contribute to its development. If left untreated, a shoulder impingement can lead to more serious conditions, such as a rotator cuff tear. Our physical therapists at Progressive Physical Therapy can help decrease pain, and improve shoulder motion and strength in people with shoulder impingements.

What is a shoulder impingement? 

Shoulder impingement syndrome is a condition that develops when the rotator-cuff tendons in the shoulder are overused or injured, causing pain and movement impairments. Shoulder impingement syndrome may also be referred to as “subacromial” impingement syndrome because the tendons, ligaments, and bursa under the “acromion” can become pinched or compressed. The shoulder is made up of 3 bones called the humerus, the scapula, and the clavicle. The acromion is a bony prominence on the top of the scapula, which can be felt as a bump at the tip of the shoulder.

The rotator cuff tendon and the bursa sit beneath the acromion. The bursa is a fluid-filled sac that provides a cushion between the bony acromion and the rotator cuff tendon, and it can become compressed underneath the acromion. Impingement symptoms can occur when compression and microtrauma harm the tendons. There are several causes to shoulder impingement syndrome including:

  • Repetitive overhead movements, such as golfing, throwing, racquet sports, and swimming, or frequent overhead reaching or lifting.
  • Injury, such as a fall, where the shoulder gets compressed.
  • Bony abnormalities of the acromion, which narrow the subacromial space.
  • Osteoarthritis in the shoulder region.
  • Poor rotator cuff and shoulder blade muscle strength, causing the humeral head to move abnormally.
  • Thickening of the bursa.
  • Thickening of the ligaments in the area.
  • Tightness of the soft tissue around the shoulder joint called the joint capsule.

How can a physical therapist help?

It is important to get proper treatment for shoulder impingement as soon as it occurs. Secondary conditions can result from the impingement of the tissues in the shoulder, including irritation of the bursa and rotator-cuff tendinitis or tears.

Our physical therapists at Progressive Physical Therapy can be very successful in treating shoulder impingement syndrome. You will work with your physical therapist to devise a treatment plan that is specific to your condition and goals. Your individual treatment program may include:

Pain Management. Your physical therapist will help you identify and avoid painful movements, as well as correct abnormal postures to reduce impingement compression. Therapeutic modalities, like iontophoresis (medication delivered through an electrically charged patch) and ultrasound may be applied. Ice may also be helpful to reduce pain.

Manual Therapy. Your physical therapist may use manual techniques, such as gentle joint movements, soft-tissue massage, and shoulder stretches to get your shoulder moving properly, so that the tendons and bursa avoid impingement.

Range-of-Motion Exercises. You will learn exercises and stretches to help your shoulder and shoulder blade move properly, so you can return to reaching and lifting without pain.

Strengthening Exercises. Your physical therapist will determine which strengthening exercises are right for you, depending on your specific condition. Often with shoulder impingement syndrome, the head of the humerus tends to drift forward and upward due to the rotator-cuff muscles becoming weak. Strengthening the rotator-cuff and scapular muscles helps position the head of the humerus bone down and back to ease the impingement. You may also perform resistance training exercises to strengthen your weaker muscles. You will receive a home-exercise program to continue your strengthening long after you have completed your formal physical therapy.

Patient Education. Learning proper posture is an important part of rehabilitation. For example, when your shoulders roll forward as you lean over a computer, the tendons in the front of the shoulder can become impinged. Your physical therapist will work with you to help improve your posture, and may suggest adjustments to your work station and work habits.

Functional Training. As your symptoms improve, your physical therapist will teach you how to correctly perform a range of functions using proper shoulder mechanics, such as lifting an object onto a shelf or throwing a ball. This training will help you return to pain-free function on the job, at home, and when playing sports.

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