A rotator cuff injury is when there is a strain, tear or damage to the one or more of the rotator cuff muscles. It is one of the most common injured areas of the shoulder. The injury usually involves damage to the rotator cuff tendons (The part of the muscle that connect the muscles to bones). By the age of 50 approximately 10% of people will have a rotator cuff tear. A study by Yamamoto showed 20.7% of 1366 shoulders had full-thickness rotator cuff tears in the general population of a mountain village in japan. WHAT IS THE ROTATOR CUFF? The rotator cuff is a group of muscles that stabilise the shoulder joint, it does this by attaching the scapular (shoulder blade) to the humerus (upper arm bone). The rotator cuff also provides and helps guide movements of the shoulder. The rotator cuff is made up of 4 muscles (look at diagram for where they are):
Movements that the rotator cuff perform:
SYMPTOMS
CAUSES
RISK FACTORS
TREATMENT
Treatment through chiropractic:
PREVENTION
If you have had a rotator cuff injury or shoulder discomfort, we recommend visiting your local health practitioner for an accurate diagnosis of your complaint with proper treatment and rehab plan. As mentioned above there are four muscles in the rotator cuff and making sure treatment is directed to the right area is vital. If you are local to the Loftus area, we are happy to help or answer any questions you may have. Written by Joshua Hallinan, Chiropractor Health Associates Working Tuesday (AM & PM), Wednesday & Friday (PM) References Minagawa, Hiroshi, et al. "Prevalence of symptomatic and asymptomatic rotator cuff tears in the general population: from mass-screening in one village." Journal of orthopaedics 10.1 (2013): 8-12. Yamamoto, Atsushi, et al. "Prevalence and risk factors of a rotator cuff tear in the general population." Journal of Shoulder and Elbow Surgery 19.1 (2010): 116-120. Jerosch, J., T. Muller, and W. H. Castro. "The incidence of rotator cuff rupture. An anatomic study." Acta Orthop Belg 57.2 (1991): 124-129. Ellenbecker, Todd S., and Ann Cools. "Rehabilitation of shoulder impingement syndrome and rotator cuff injuries: an evidence-based review." British journal of sports medicine44.5 (2010): 319-327. Lin, James C., Nancy Weintraub, and Dixie R. Aragaki. "Nonsurgical treatment for rotator cuff injury in the elderly." Journal of the American Medical Directors Association 9.9 (2008): 626-632.
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