an exercise and training program in which each session consists of periods of intense exertion alternating with periods of rest or lighter exertion.
Continually vs. ContinuouslyToday we’re going to explore the meanings and uses of the adverbs continually and continuously. These terms, along with their adjective forms continual and continuous, are often used interchangeably in speech and writing, but style guides urge writers to practice discernment when using continually and continuously. In formal contexts, continually should be used to mean “very often; at regular or frequent intervals,” and continuously to …
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British Dictionary definitions for interval training
a method of athletic training using alternate sprinting and joggingAlso called: fartlek
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012