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Abstract

Myositis ossificans (MO) is a fairly common evolution in sports activity and can be due to direct trauma or to repeated micro-injuries. The traditional therapeutic approach relies on a variety of treatments, such as physical therapy but evidence of their proven clinical efficacy is lacking. The latest therapeutic option is surgical removal but this is a demolitive procedure and is frequently associated with a significant loss of functional integrity. There are few articles in literature about the treatment of post-traumatic MO, and none on extracorporeal shock wave therapy (ESWT). We illustrate a case series of 24 sportsmen treated with three sessions of electro-hydraulic shockwave therapy and an associated rehabilitation program. Only a partial reduction of the ossification was observed in the X-ray images but all the patients showed signs of functional improvement immediately after therapy. Two months after the therapy, a normal range of motion and no signs of weakness were observed. Three months after treatment, 87.5% of patients resumed regular sports activities.