A personal trainer says training for tennis is an efficient way to build a good physique. Here's how to do it.
![Yahoo Sports on Twitter: "Naomi Osaka may step away from tennis again following her US Open exit on Friday night. ➡️ https://t.co/am5MMzhZBV https://t.co/yYssBOKLA6" / Twitter Yahoo Sports on Twitter: "Naomi Osaka may step away from tennis again following her US Open exit on Friday night. ➡️ https://t.co/am5MMzhZBV https://t.co/yYssBOKLA6" / Twitter](https://pbs.twimg.com/media/E-ceZQ2XoAU-MKz.jpg)
Yahoo Sports on Twitter: "Naomi Osaka may step away from tennis again following her US Open exit on Friday night. ➡️ https://t.co/am5MMzhZBV https://t.co/yYssBOKLA6" / Twitter
![Japanese Tennis Star Naomi Osaka Is Out Of Tokyo Olympics In Third Round Loss : Live Updates: The Tokyo Olympics : NPR Japanese Tennis Star Naomi Osaka Is Out Of Tokyo Olympics In Third Round Loss : Live Updates: The Tokyo Olympics : NPR](https://media.npr.org/assets/img/2021/07/27/gettyimages-1234224749_wide-e35a3b2ccc25def62974e573266a3e45c21bee1d-s1400-c100.jpg)