Lob: High, arcing shot that forces opponents to retreat. Approach shot: Played while moving forward to set up a volley. Overhead smash: Used to finish points from above, often after a lob. Tweener: ...

It looked like the 31-year-old tennis player was surprised by the superiority of Coco Gauff and some changes in her game.

Background Hip injuries have been reported in 8%-27% of tennis players and have impacted some of the game’s highest ranked players.1 The open-stance forehand has emerged as a more common forehand for ...