Exceeding noise levels of 100 decibels, the grunting sounds produced by some tennis players when hitting the ball are on a par with motorbikes or chainsaws.
from
https://healthnews010.wordpress.com/2019/05/04/study-explores-how-grunting-influences-perception-in-tennis/
from https://karlfletcher.blogspot.com/2019/05/study-explores-how-grunting-influences.html
from
https://karlfletcher1.tumblr.com/post/184638371133
No comments:
Post a Comment