There are huge benefits to ringing the changes when it comes to exercise, finds committed runner Grace Wade when she analyses the science
Več na: https://www.newscientist.com/article/mg26935821-000-why-adding-cross-training-into-your-exercise-routine-is-the-way-to-go/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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