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Grunts gone wild: Is all that noise really necessary when it comes to exercise? | NOLA.com

Performance specialist Mackie Shilstone works with one of the most famous grunters in all of professional sports: tennis star Serena Williams, whose powerful exhortations during serves and volleys add to her air of athletic prowess.

Shilstone prefers the term “Valsalvus maneuver.” (Named for 17th century anatomist Antonio Maria Valsalva, the Valsalvus maneuver is a forced exhalation against a closed windpipe.) The exhalation is “a symptom of performance, not necessarily a performance enhancer,” Shilstone says, and a “learned response.”

via Grunts gone wild: Is all that noise really necessary when it comes to exercise? | NOLA.com.