The 32-year-old Russian is one of only 10 female players to hold a career Grand Slam and has won 36 professional titles.
"I don't usually have much interest in sharing my injuries," Sharapova wrote.
Research shows top players grunted at a higher pitch in matches they lost.
The U.S. Tennis Association has to decide if it will give the disgraced tennis star wild card entry.
The Canadian is a fierce critic of Sharapova, saying the Russian should not have been welcomed back to tennis after her doping ban.
The Russian returned from a doping ban in April.
The Russian was given a wildcard to compete at the Italian Open.
The Canadian had called her Russian opponent a 'cheat.'
Sharapova beat Roberta Vinci upon her return from her doping ban on Wednesday.
The tennis star was sidelined for using the drug after anti-doping authorities blacklisted it.
Sharapova can return on April 26.
The All England Club could make the decision in the wake of two-year drugs ban.
She will be 31 in two years—time enough for a comeback.
The sports manufacturers will continue their agreements despite two-year ban.
A hearing into the meldonium case is expected this week.
The world of professional tennis is becoming increasingly fractious.
Novak Djokovic's coach didn't like the world number two casting doubt on the sport.
The World Anti-Doping Agency has backtracked over a lack of scientific evidence.
Anti-doping bodies must become more accountable to the athletes they serve.
The company suspended its relationship in the wake of the news.
Nils Usakovs has been using the positive test for publicity.