Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 The article provides a complete overview for fitness routines. Explain the second principle of training, and the balance one needs to find.

The second principle of training is progression. Think about this as starting slowly and building into an exercise program or training session. So, for one example, think about someone who's been inactive or sedentary for a long time

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yes, it is pretty much the same thing, which is cool. : )

what are the choices?