I do high intensity resistance training once weekly and also mountain bike (medium pace) and walk / hike. (peterattiamd.com)
This is simply not necessary, and the way I combine high intensity resistance training into full body routines provides enough of a «cardio» workout in itself usually. (truthaboutabs.com)
In my experience, the higher intensity your resistance training, the quicker your results will be. (rachaelattard.com)