Study Enrollment

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Clinical Trial

Humeral Retroversion, Range of Motion, and Strength Adaptations in Tennis Players

The overall purpose of this study is to develop an understanding of how the body responds and adapts to long-term exposure of playing tennis, and its impact on physical and performance characteristics of the shoulder. We will perform a brief orthopedic screening including joint stability tests, range of motion and strength measures, and measure the amount of twist in the upper arm bone (known as humeral retroversion). These measures have been previously linked to shoulder injuries in overhead athletes. Those interested under the age of 18 must have a parent/guardian contact the investigators.

Eligibility Criteria

  • To be eligible to participate, you must meet the following criteria: be between 14 and 25 years of age be a current member of an area high school team or tennis club/association, and tennis must be your primary sport, OR be an intercollegiate-level tennis player/ current members of an area college or university sponsored tennis team competing in the National Collegiate Athletic Association or National Association of Intercollegiate Athletics have no known shoulder injury in the prior 6 weeks prior to testing have no elbow or shoulder surgery in the previous 6 months have no current elbow or shoulder pain that limits your ability to play tennis have no known nerve conditions that would affect muscle strength or motion of your arms.

Contact Information

    Daniel Hannah