Arthroscopic Release of the Deltoid Contracture
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The deltoid is comprised of three distinct portions (anterior or clavicular, middle or acromial, and posterior or spinal) and acts mainly as an abductor of the shoulder and stabilizer of the humeral head. Though deltoid contracture is uncommon in developed countries, it is much more common in developing countries, often is associated with intramuscular injection in deltoid [1, 2]. Congenital fibrosis and trauma also are causes of deltoid contracture .