Original Research

Acute Effects of Instrument Assisted Soft Tissue Mobilization for Improving Horizontal Adduction and Internal Rotation Passive Range of Motion in Collegiate Baseball Players

Authors: Laudner K, Compton B, McLoda T, Walters C

Due to the repetitive rotational and distractive forces exerted onto the posterior shoulder during the deceleration phase of the overhead throwing motion, limited glenohumeral (GH) range of motion (ROM) is a common trait found among baseball players, making them prone to a wide variety of shoulder injuries. Although utilization of instrument-assisted soft tissue mobilization (IASTM), such as the Graston® Technique, has proven effective for various injuries and disorders, there is currently no empirical data regarding the effectiveness of this treatment on posterior shoulder tightness. Therefore, the purpose of this study was to determine the effectiveness of IASTM in improving acute (short-term) passive GH horizontal adduction and internal rotation ROM in collegiate baseball players. The results of this study indicate that an application of IASTM to the posterior shoulder provides acute improvements in both GH horizontal adduction ROM and internal rotation ROM among baseball players.

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