How common are rotator cuff disorders?The wear and tear from ordinary use on the group of tendons and
muscles that stabilize the shoulder joint (rotator cuff) makes it common for
people over 40 years of age to have some loss of strength and movement in the
shoulder. - Loss of function is caused by things such as age
and the amount of activity with overhead arm movements.
- As the
rotator cuff becomes weaker with age, it is more likely to be injured (torn) by
simple movements, such as lifting an object. Complete tears are present in 25%
of people over age 60.1
Overuse of the rotator cuff muscles is common in young athletes
involved in throwing, swimming, and racquet sports.2
Rotator cuff tears are not common in people under 40 unless they have a sudden
and severe (acute) injury.
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