An internationally renowned trainer, and speaker and the owner of Athletes' Performance Institute in Tempe, Arizona, Mark Verstegen is the author of four previous Core Performance titles, including The Core Performance and Core Performance Essentials. Pete Williams hosts The Fitness Buff radio...
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An internationally renowned trainer, and speaker and the owner of Athletes' Performance Institute in Tempe, Arizona, Mark Verstegen is the author of four previous Core Performance titles, including The Core Performance and Core Performance Essentials. Pete Williams hosts The Fitness Buff radio show and is the author or coauthor of thirteen books, including the four previous Core Performance titles.
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