CommonHealth: Meghna And Carey Go 'Insane' 09:28

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CommonHealth's summer fitness initiative, "Shake It Up," explores new forms of exercise with each installment.

This one investigates the Insanity Workout — a boot-camp style workout that reverses traditional interval training, from shorter periods of high intensity movement to longer ones with very brief periods of rest.

Insanity is not only the most popular fitness DVD on Amazon right now,  it's their most popular DVD period.

Radio Boston will explore why so many people are attracted to this workout, and whether or not the body can run properly on "insanity."


  • Carey Goldberg, co-host, WBUR's CommonHealth blog
  • Dr. William Kraemer, professor of kinesiology at the University of Connecticut

This segment aired on July 10, 2012.