As storms rolled over Johnson and Hood County Thursday evening, the community of Pecan Plantation took a direct hit from hail stones the size of golf balls and tennis balls. “It sounded like ...

What are tennis balls made of? Modern tennis balls are made of a hollow rubber core, covered in a wool or nylon shell which is known as the nap. Pressurised air inside the rubber core makes the ball ...

Aim: To examine the pre- and post-impact activation of five upper extremity muscles in the tennis volley across conditions of ball speed, ball type and side of the body. Methods: A repeated measures ...