If you really want to kick some butt, it is certainly necessary to train in ways that are specific to your chosen sport. But cross-training is also an extremely beneficial training component. One that I believe can benefit you all the way down to your DNA. Read the transcript at https://www.quickanddirtytips.com/health-fitness/exercise/why-cross-training-is-essential-and-improves-your-dna Check out all the Quick and Dirty Tips shows: www.quickanddirtytips.com/podcasts FOLLOW GET-FIT GUY Facebook: https://www.facebook.com/GetFitGuy Twitter: https://twitter.com/getfitguy