Regardless of the sport we play, we have all likely been encouraged to cross-train at some point to recover from injury or supplement training. Cross-training is a valuable tool that can be used to make gains, but sometimes it is hard to see it that way. It’s often stigmatized as inferior to training for our primary sport, and holding onto this mindset is limiting. In an interview with Voice In Sport, two-time Olympic cross-country skier Rosie Brennan shared how she mentally approaches cro...