Your arm is kept in your shoulder socket by your rotator cuff. The rotator cuff is a network of four muscles that come together as tendons to form a covering around the head of the humerus. The rotator cuff attaches the humerus to the shoulder blade and helps to lift and rotate your arm.otator cuff tears are more common in the dominant arm. If you have a degenerative tear in one shoulder, there is a greater risk for a rotator cuff tear in the opposite shoulder -- even if you have no pain in that shoulder.
In brief: Growing pains... generally strike during two periods: in early childhood among 3- to 5-year-olds and, later, in 8- to 12-year-olds. In brief: Growing pains... generally strike during two periods: in early childhood among 3- to 5-year-olds and, later, in 8- to 12-year-olds. This is a helpful link that goes into more detail: http://kidshealth.org/parent/general/aches/growing_pains.html#.
Back pain can affect anyone, regardless of age, but it is more common in people who are between 35 and 55 years of age. In the majority of cases, the cause of back pain can be linked to the way that the bones, muscles and ligaments in the back work together. Top tips Keep your back mobile.