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A rotator cuff tear can be caused by the weakening of the rotator cuff tendons. This weakening can be caused by age or how often the rotator cuff is used. Adults over the age of 60 are more susceptible to a rotator cuff tear, with the overall frequency of tears increasing with age. [92]
The rotator cuff compresses the glenohumeral joint during abduction of the arm, an action known as concavity compression, in order to allow the large deltoid muscle to further elevate the arm. In other words, without the rotator cuff, the humeral head would ride up partially out of the glenoid fossa, lessening the efficiency of the deltoid muscle.
An early expanded indication was primary osteoarthritis with loss of rotator cuff function. Massive irreparable rotator cuff tear without osteoarthritis has also been an accepted indication for a number of years, given numerous studies have reported good functional outcomes. Over the last 10 years the indications for RTSA have seen a huge ...
The primary cause of shoulder pain is a rotator cuff tear. [20] The supraspinatus is most commonly involved in a rotator cuff tear, [22] but other parts of the rotator cuff may also be involved. There are different severities of a rotator cuff tear, which range from a partial tear to a full-thickness tear. [23]
The supraspinatus forms part of the rotator cuff and is one of its most frequently damaged components, whether from acute injury or gradual degeneration. [7] Bad posture and age are leading risk factors, with a high prevalence of asymptomatic partial and full tears, as well as symptomatic syndromes with chronic pain.
Kevin Stefanski and the Cleveland Browns can say what they wish about Deshaun Watson now, but Stefanski also can't erase what he said about Watson and his shoulder injury on Oct. 2.