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Interval training has skyrocketed in popularity over the past few years due to its effectiveness and flexibility.

Get inspired by fitness trainer Jeanette Jenkins and her energizing workout routines. Join in her full-body strength and cardio circuit for a holistic approach to staying fit.

Here's another full-body workout that'll take 30 minutes and requires zero home gym equipment, so it can literally be completed anywhere. Alternatively, if you fancy one that uses weights again, this ...