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Simply put, interval training is defined as short, high-intensity cardio alternated with longer periods of lower-intensity cardio.[1] Examples of this include wind sprints and Fartleks. (See HIIT.) A common interval would be the 40/20, which is 40 seconds moderate intensity cardio followed by 20 seconds of sprinting.

Video Demo[]

A demo of David Beckham's HIIT workout. <videoflash>MnkEQZ5_W-k</videoflash>

See Also[]

Notes[]

  1. Michaels, Jillian (2007), p.150.

References[]

  • Michaels, Jillian (2007), Making the Cut: The 30-Day Diet and Fitness Plan for the Strongest, Sexiest You, US, Three Rivers Press
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