|Rotator cuff refers to the group of muscles and tendons that connect the upper arm to the scapula or shoulder blade. The tendons of the rotator cuff help in providing stability to the shoulder and the muscles help in rotation of shoulder. There are four types of muscles present in the rotator cuff-teres minor, supraspinatus, subscapularis and infraspinatus. Teres minor muscle helps in outward movement of arm, supraspinatus muscles helps in moving the arm away from body, subscapularis helps in inward movement of arm and infraspinatus muscle help in lifting of arm when the arm is moved outward. If there is tearing of any one of the four muscles then rotator cuff tear. Any damage to the rotator cuff causes rotator cuff disease.
The damage can occur to the rotator cuff due to some inflammation caused by arthritis or tendinitis or because of ageing. The symptoms of rotator cuff disease include shoulder pain which at acute level can cause frozen shoulder. The person having rotator cuff disease finds it difficult to lift the arm. The disease can be diagnosed either by X-ray or radiology testing.
Review articles are the summary of current state of understanding on a particular research topic. They analyze or discuss research previously published by scientist and academicians rather than reporting novel research results.
Review article comes in the form of systematic reviews and literature reviews and are a form of secondary literature. Systematic reviews determine an objective list of criteria, and find all previously published original research papers that meet the criteria. They then compare the results presented in these papers. Literature reviews, by contrast, provide a summary of what the authors believe are the best and most relevant prior publications.
The concept of "review article" is separate from the concept of peer-reviewed literature. It is possible for a review to be peer-reviewed, and it is possible for a review to be non-peer-reviewed.