Flat Belly Yoga!: The 4-Week Plan to Strengthen Your Core
KIMBERLY FOWLER is the author ofThe No OM Zoneand founder of YAS Fitness Centers, a yoga and spinning workout empire that has sparked today’s biggest fitness trend: hybrid yoga. She lives in California.PREVENTIONis the #1 healthy lifestyle brand and the largest health magazine in the US, with a total readership of more than 9 million.