Why do women tennis players grunt so noisily?

[Spicoli]

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btw who was the little squat player from Argentina(??).She played Graff numerous times.Had some huge hair...built like a dump truck but had ability in a big way ??

Aranxta Sanchez Viccario? I think she was from Spain, but i'm not sure.

Thats her.Thanks.Very mobile that one.