Shoulder impingement essay

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Shoulder impingement essay

Each person will likely present differently, which will require a variations on how you approach their rehabilitation.

Shoulder impingement essay

Location of impingement Structures involved Cause of impingement Each of these can significantly vary the treatment approach and how successful you are helping each person. Location of Impingement The first thing to consider when evaluating someone with shoulder impingement is the location of impingement.

This is generally in reference to the side of the rotator cuff that the impingement is located, either the bursal side or articular side. See the photo of a shoulder MRI above. The bursal side is the outside of the rotator cuff, shown with the red arrow.

More about these later when we get into the evaluation and treatment treatment. Impinging Structures To me, this is more for the bursal sided, or subacromial, impingement and refers to what structure the rotator cuff is impinging against. As you can see in the pictures below both side viewsyour subacromial space is pretty small without a lot if room for error.

Impingement itself is normal and happens in all of us, it is when it becomes excessive or abnormal that pathology occurs. I try to differentiate between acromial and coracoacromial arch impingement, which can happen in combination or isolation.

There are fairly similar in regard to assessment and treatment, but I would make a couple of mild modifications for coracoacromial impingement, which we will discuss below. Cause of Impingement The next thing to look at is the actual reason why the person is experiencing shoulder impingement.

Primary impingement means that the impingement is the main problem with the person. A good example of this is someone that has impingement due to anatomical considerations, with a hooked tip of the acromion like this in the picture below.

Many acromions are flat or curved, but some have a hook or even a spur attached to the tip drawn in red: The most simply example of this is weakness of the rotator cuff.

The rotator cuff and larger muscle groups, like the deltoid, work together to move your arm in space.

Posterosuperior glenoid internal impingement (PGII) is an impingement syndrome of the shoulder that is most commonly seen in the throwing or overhead athlete. The supraspinatus can be normally compressed or impinged between the greater tuberosity and the posterosuperior labrum in the abduction and external rotation position. Masala S et al., in their survey on impingement syndrome of shoulder have proved that CT and MRI are more dependable and accurate diagnostic methods. CT scan is sensitive to even cold-shoulder bony alterations and MRI detects tendon, Bursa and rotator turnup alterations. Shoulder Impingement. The shoulder is the most complex joint in the body. It is capable of moving in more than 16, positions. Many of its ailments, including the most common ones, involve biomechanical mechanisms that are unique to the shoulder/5(1).

The rotator cuff works to steer the ship by keeping the humeral head centered within the glenoid. The deltoid and larger muscles power the ship and move the arm. Both muscles groups need to work together. In this scenario, the deltoid will overpower the cuff and cause the humeral head to migrate superiorly, thus impinging the cuff between the humeral head and the acromion: Other common reasons for secondary impingement include mobility restrictions of the shoulder, scapula, and even thoracic spine.


We see this a lot at Champion. In the person below, you can see that they do not have full overhead mobility, yet they are trying to overhead press and other activities in the gym, flaring up their shoulder. If all we did with this person was treat the location of the pain in his anterior shoulder, our success will be limited.

The funny thing about this is that people are almost never aware that they even have this limitation until you show them.

There are specific tests to assess each type of impingement we discussed above. The two most popular tests for shoulder impingement are the Neer test and the Hawkins test. In the Neer test below leftthe examiner stabilizes the scapula while passively elevating the shoulder, in effect jamming the humeral head into the acromion.

In the Hawkins test below right the examiner elevates the arm to 90 degrees of abduction and forces the shoulder into internal rotation, grinding the cuff under the subacromial arch.

You can alter these tests slightly to see if they elicit different symptoms that would be more indicative to the coracoacromial arch type of subacromial impingement. This would involve the cuff impingement more anteriorly so the tests below attempt to simulate this area of vulnerability. The Hawkins test below left can be modified and performed in a more horizontally adducted position.

Another shoulder impingement test below right can be performed by asking the patient to grasp their opposite shoulder and to actively elevate the shoulder.

There is a good chance that many patients with subacromial impingement may be symptomatic with all of the above tests, but you may be able to detect the location of subacromial impingement acromial versus coracoacromial arch by watching for subtle changes in symptoms with the above four tests.

Internal impingement is a different beast. This type of impingement, which is most commonly seen in overhead athletes, is typically the result of some hyperlaxity in the anterior direction. As the athlete comes into full external rotation, such as the position of baseball pitch, tennis serve, etc.

The test for this is simple and is exactly the same as an anterior apprehension test. The examiner externally rotates the arm at 90 degrees abduction and watches for symptoms. Unlike the shoulder instability patient, someone with internal impingement will not feel apprehension or anterior symptoms.

Rather, they will have a very specific point of tenderness in the posterosuperior aspect of the shoulder below left.Shoulder impingement is primarily an overuse injury that involves a mechanical compression of the supraspinatus tendon, subacromial bursa, and the long head of the biceps tendon, all of which are located under the coracoacromial arch (Prentice ).

Impingement syndrome is a common condition affecting the shoulder often seen in aging adults. This condition is closely related to shoulder bursitis and rotator cuff tendonitis. These conditions may occur alone or in combination. The rotator cuff is a common source of pain in the shoulder. Pain can be the result of rotator cuff tendinitis, bursitis, and shoulder impingement. from the American Academy of Orthopaedic Surgeons Diseases & Conditions. Popular Topics. Arthritis Broken Bones. Sep 06,  · The term shoulder impingement itself however now belongs to a group of terms that essentially describes pain in the shoulder region as a result of mechanical ‘impingement’ of the rotator cuff as it passes under the coraco-acromial ligament.

Essay on Shoulder Injury Diagnosis and Treatment - Shoulder Injury Diagnosis and Treatment Population: Vincent is a 23 year old male in his first year of grad school for DPT.

He started wrestling in the first grade and continued into college. Up until his junior year of college he wrestled for the University. Shoulder impingement syndrome is a common cause of shoulder occurs when there is impingement of tendons or bursa in the shoulder from bones of the shoulder.

Overhead activity of the. Shoulder Impingement Essay. The shoulder is the most complex joint in the body. It is capable of moving in more than 16, positions. Many of its ailments, including the most common ones, involve biomechanical mechanisms that are unique to the shoulder.

Sep 06,  · Rotator cuff disorders are considered to be among the most common causes of shoulder pain and disability encountered in both primary and secondary care, with subacromial impingement syndrome in particular being the most common disorder, resulting in functional loss and disability, of .

Shoulder impingement essay

Shoulder impingement syndrome is a common cause of shoulder pain. It occurs when there is impingement of tendons or bursa in the shoulder from bones of the shoulder.

Impingement syndrome - Wikipedia