Video
Shop
Culture
Family
Wellness
Food
Living
Style

Travel
News
Book Club
GMA3: WYNTK

Newsletter

Privacy Policy
Your US State Privacy Rights
Children's Online Privacy Policy
Interest-Based Ads
Terms of Use
Do Not Sell My Info
Contact Us
© 2025 ABC News

VIDEO: Tennis players' screams on the court could be helping their game.

2:55

ABC News
August 27, 2014

World News Now: The Science Behind Tennis Players' Grunts

Tennis players' screams on the court could be helping their game.

Up Next in news

US Open: Inside the Glamorous Side of High-Stakes Tennis

US Open: Inside the Glamorous Side of High-Stakes Tennis

August 27, 2014

How Well Does Maria Sharapova Know the US Open?

How Well Does Maria Sharapova Know the US Open?

August 26, 2014

VIDEO: Defense ready to call first witness in Karen Read trial

Defense ready to call first witness in Karen Read trial

The latest lifestyle and entertainment news and inspiration for how to live your best life - all from Good Morning America.

Contests
Terms of Use
Privacy Policy
Do Not Sell My Info
Children’s Online Privacy Policy
Advertise with us

Your US State Privacy Rights
Interest-Based Ads
About Nielsen Measurement
Press
Feedback

Shop FAQs
ABC News
ABC
All Videos
All Topics

Sitemap

© 2025 ABC News

Privacy Policy—
Your US State Privacy Rights—
Children's Online Privacy Policy—
Interest-Based Ads—
Terms of Use—
Do Not Sell My Info—
Contact Us—

© 2025 ABC News