![Applied Sciences | Free Full-Text | Materials Have Driven the Historical Development of the Tennis Racket Applied Sciences | Free Full-Text | Materials Have Driven the Historical Development of the Tennis Racket](https://www.mdpi.com/applsci/applsci-09-04352/article_deploy/html/images/applsci-09-04352-g001.png)
Applied Sciences | Free Full-Text | Materials Have Driven the Historical Development of the Tennis Racket
![Wilson Tennis on Twitter: "Stiffness: How much the racket frame flexes on contact Less Stiff=More Control More Stiff=More Power We measure Stiffness using the Stiffness Index (SI) Test. The more the racket Wilson Tennis on Twitter: "Stiffness: How much the racket frame flexes on contact Less Stiff=More Control More Stiff=More Power We measure Stiffness using the Stiffness Index (SI) Test. The more the racket](https://pbs.twimg.com/media/ET6OgMgXQAAFh3j.jpg)
Wilson Tennis on Twitter: "Stiffness: How much the racket frame flexes on contact Less Stiff=More Control More Stiff=More Power We measure Stiffness using the Stiffness Index (SI) Test. The more the racket
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Cannon Sports Adult Aluminum Tennis Racket - 27 inch Oversized Racquets for Men & Women (4 3/8 Inch Grip) - Walmart.com
![Amazon.com: S&S Worldwide Aluminum Tennis Racket. Mid-Sized 90 Square Inch Head. Modern I-Beam Aluminum Cross Section Design for Added Stiffness and Power. Adult Size, 27" L with 4-3/8" Grip. : Sports & Amazon.com: S&S Worldwide Aluminum Tennis Racket. Mid-Sized 90 Square Inch Head. Modern I-Beam Aluminum Cross Section Design for Added Stiffness and Power. Adult Size, 27" L with 4-3/8" Grip. : Sports &](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61YygikJw1L.jpg)
Amazon.com: S&S Worldwide Aluminum Tennis Racket. Mid-Sized 90 Square Inch Head. Modern I-Beam Aluminum Cross Section Design for Added Stiffness and Power. Adult Size, 27" L with 4-3/8" Grip. : Sports &
![Melbourne, Australia, 2015, May 9: String bed stiffness of a Tennis tour player frame is measured on strings. The measurement is used to check the qua Stock Photo - Alamy Melbourne, Australia, 2015, May 9: String bed stiffness of a Tennis tour player frame is measured on strings. The measurement is used to check the qua Stock Photo - Alamy](https://c8.alamy.com/comp/HWPC9N/melbourne-australia-2015-may-9-string-bed-stiffness-of-a-tennis-tour-HWPC9N.jpg)