In this April 12, 2019, photo, Washington Redskins head athletic trainer Larry Hess demonstrates a salt water float orb inside a recovery room at the team's NFL football training facility in Ashburn, Va. With the use of state-of-the-art machines and techniques, the Redskins hope to cut down on injuries after leading the NFL in players on injured reserve last season. (AP Photo/Patrick Semansky) **FILE**
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