Noun
cross training (uncountable)
High intensity training using a variety of different exercise disciplines including, but not limited to, weight lifting, cardio and flexibility.
English Wikipedia has an article on:cross-trainingWikipedia
cross-training (uncountable)
(sports) athletic training in a sport other than one's primary sport
cross-training
I believe it's extremely important to include some other type of fitness activity in your training, so cross training will help you to avoid injury when you are dancing. Laurieann Gibson
I really do miss playing basketball. I don't play a lot of pick-up games. But I do like using basketball as a form of cross training. Jackie Joyner-Kersee
Find a balance that fits your schedule – let yourself have rest days and add a type of cross-training into your routines, such as swimming, biking, rowing, or yoga. Source: Internet
Rotating officers also promotes cross-training in a wider variety of skills, and serves to prevent "cliques" that can contribute to corruption or other unethical behavior. Source: Internet
For all the other forms of cross-training already out there, all the myriad options for training without riding a bicycle, I imagine you’re thinking, “I wish I had thought of that first!” Source: Internet
The cross-training effect that athletes achieve from training for one sport by doing a second activity applies to triathlon training. Source: Internet