Martina Navratilova Quotes
Variety is what I would recommend: As variety is the spice of life in food, so it is in exercise. Change it up. But most of all, don't overdo it.
Citations
Navratilova, Martina. Shape Your Self: Building the Mind, Body, and Spirit of a Champion. Rodale Books, 2006, p. 88.
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Martina Navratilova is a Czechoslovak-born American former professional lawn tennis player and coach. In 2005, Tennis magazine selected her as the greatest female tennis player for the years 1975 through 2005 and she is considered one of the best female tennis players of all time.