What is the classification of the acromioclavicular joint?

The acromioclavicular joint is a diarthrodial joint defined by the lateral clavicle articulating with the acromion process as it projects anteriorly off the scapula. The AC joint is a plane type synovial joint, which under normal physiological conditions allows only gliding movement.

What is Rockwood classification?

The Rockwood classification of AC joint separations uses plain radiographs to describe varying degrees of soft tissue involvement and joint displacement. Rockwood expanded on previous classification systems of AC joint separations to provide a more-detailed description based on pathoanatomy of the injury.

What is another name for acromioclavicular sprain?

A sprain that tears ligaments in the shoulder most often occurs at the joint between the acromion and collarbone, called the acromioclavicular joint. This injury sometimes is called a shoulder separation.

What is a Grade 3 shoulder separation?

Grade III- The most severe shoulder separation. This completely tears both the AC and CC ligaments and puts the AC joint noticeably out of position, with a larger bump.

Is AC joint Same as rotator cuff?

The rotator cuff covers the head of the upper arm bone and attaches it to the shoulder blade. The AC (acromioclavicular) joint is formed where a portion of the scapula (acromion) and the clavicle meet and are held together by tough tissues (ligaments) that act like tethers to keep the bones in place.

Does a Grade 3 shoulder separation require surgery?

A separated shoulder determined to be grade 4–6 typically requires surgery to repair. Treatment for grade 3 is less clear-cut. Some grade 3 injuries require surgery, while others do not, depending on the patient and the type of activity she or he wants to return to after treatment.

What is a Zanca view?

The Zanca view is a specialized projection of the acromioclavicular joint (ACJ), which will better demonstrate the acromioclavicular joint free from superimposition and aid in the assessment of distal osteophytes.

What is Coracoclavicular joint?

Coracoclavicular joint (CCJ) is a rare anomalous joint occasionally found between the coracoid process of scapula and the conoid tubercle of clavicle. The articulation has been extensively studied by means of anatomical, osteological and radiological investigations.

How painful is a Grade 3 AC separation?

Grade III Injury: Pain is present around the joint and in the area of the coracoclavicular ligaments. Swelling is present. As the joint moves, a popping sound may occur. There is shoulder deformity and a bump on the top of the shoulder.

What percentage is a Grade 3 AC separation?

The injured side must be compared to the non-injured side in order to determine the grade. If the distance between the two bones is between increased between 25 and 100% it is a grade 3 and if it is more than that it is a grade 5.

How should I sleep with AC joint pain?

Lie flat on your back with your injured arm propped up with a pillow. Using a pillow may help reduce stress and pressure on your injured side. Lie on your uninjured side. If your right shoulder is injured, sleep on your left side.

What is the Tossy classification of AC dislocation?

Dislocation in acromioclavicular joint – Tossy classification of AC dislocation. Tossy classification divides dislocations in AC joint into three grades. It was later extended by Rockwood et al. by another three types.

What does Tossy stand for in Urban Dictionary?

Get a tossy mug for your grandma Rihanna. Middle aged woman, typically blonde, makes solutions to others’ problems an inconvenience to her although she isn’t even remotely affected. Karen sues the local city council after they installed a new STOP sign that hides the sun from her window for two minutes a day.

What kind of dog is a Tosa dog?

Domestic dog (Canis lupus familiaris) The Tosa (土佐, also called the Tosa Inu, Tosa-Ken or Japanese Mastiff) is a breed of dog of Japanese origin that is considered rare. It was originally bred in Tosa (present day Kōchi) as a fighting dog and still is today.

When was the heyday of Tosa dog breeding?

The aim was to breed a larger, more powerful dog. The heyday of Tosa breeding was between 1924 and 1933, when it was said that there were more than 5,000 Tosa breeders in Japan. Ownership of Tosas is legally restricted in certain jurisdictions.